Brielle Biermann Flaunts Birthday Beach Body After Rumored Split From Beau
![Brielle Biermann Flaunts Birthday Bikini Body After Boyfriend Trouble](https://media.radaronline.com/brand-img/G5s7ibGp_/480x251/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-pp-.jpg?position=top 480w, https://media.radaronline.com/brand-img/G5s7ibGp_/640x335/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-pp-.jpg?position=top 640w, https://media.radaronline.com/brand-img/G5s7ibGp_/768x402/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-pp-.jpg?position=top 768w, https://media.radaronline.com/brand-img/G5s7ibGp_/1024x536/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-pp-.jpg?position=top 1024w, https://media.radaronline.com/brand-img/G5s7ibGp_/1280x670/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-pp-.jpg?position=top 1280w, https://media.radaronline.com/brand-img/G5s7ibGp_/1440x753/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-pp-.jpg?position=top 1440w, https://media.radaronline.com/brand-img/G5s7ibGp_/1600x837/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-pp-.jpg?position=top 1600w, https://media.radaronline.com/brand-img/G5s7ibGp_/2160x1130/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-pp-.jpg?position=top 2160w)
Feb. 25 2018, Updated 9:31 p.m. ET
![Brielle Biermann Flaunts Birthday Bikini Body After Boyfriend Trouble](https://media.radaronline.com/brand-img/2JxblFCcs/480x307/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-pp-.jpg 480w, https://media.radaronline.com/brand-img/2JxblFCcs/640x409/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-pp-.jpg 640w, https://media.radaronline.com/brand-img/2JxblFCcs/768x490/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-pp-.jpg 768w, https://media.radaronline.com/brand-img/2JxblFCcs/1024x653/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-pp-.jpg 1024w, https://media.radaronline.com/brand-img/2JxblFCcs/1280x817/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-pp-.jpg 1280w, https://media.radaronline.com/brand-img/2JxblFCcs/1440x919/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-pp-.jpg 1440w, https://media.radaronline.com/brand-img/2JxblFCcs/1600x1021/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-pp-.jpg 1600w, https://media.radaronline.com/brand-img/2JxblFCcs/2160x1378/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-pp-.jpg 2160w)
Kim Zolciak's sexy daughter Brielle Biermann posed for pictures on the beach in a thong bikini after RadarOnline.com reported how distant she's become from her boyfriend Michael Kopech. Rumors are flying that Brielle was dumped before her 21st birthday this weekend—and in fact, she celebrated in Miami without him! Scroll down RadarOnline.com's gallery for more.
![Brielle Biermann Flaunts Birthday Bikini Body After Boyfriend Trouble](https://media.radaronline.com/brand-img/xqv8BZguU/480x307/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-92-5.jpg 480w, https://media.radaronline.com/brand-img/xqv8BZguU/640x409/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-92-5.jpg 640w, https://media.radaronline.com/brand-img/xqv8BZguU/768x490/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-92-5.jpg 768w, https://media.radaronline.com/brand-img/xqv8BZguU/1024x653/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-92-5.jpg 1024w, https://media.radaronline.com/brand-img/xqv8BZguU/1280x817/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-92-5.jpg 1280w, https://media.radaronline.com/brand-img/xqv8BZguU/1440x919/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-92-5.jpg 1440w, https://media.radaronline.com/brand-img/xqv8BZguU/1600x1021/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-92-5.jpg 1600w, https://media.radaronline.com/brand-img/xqv8BZguU/2160x1378/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-92-5.jpg 2160w)
Brielle hit the beach in Florida just before her 21st birthday on Sunday, Feb. 25.
![Brielle Biermann Flaunts Birthday Bikini Body After Boyfriend Trouble](https://media.radaronline.com/brand-img/AfxZv_1xJ/480x307/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-21-7.jpg 480w, https://media.radaronline.com/brand-img/AfxZv_1xJ/640x409/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-21-7.jpg 640w, https://media.radaronline.com/brand-img/AfxZv_1xJ/768x490/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-21-7.jpg 768w, https://media.radaronline.com/brand-img/AfxZv_1xJ/1024x653/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-21-7.jpg 1024w, https://media.radaronline.com/brand-img/AfxZv_1xJ/1280x817/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-21-7.jpg 1280w, https://media.radaronline.com/brand-img/AfxZv_1xJ/1440x919/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-21-7.jpg 1440w, https://media.radaronline.com/brand-img/AfxZv_1xJ/1600x1021/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-21-7.jpg 1600w, https://media.radaronline.com/brand-img/AfxZv_1xJ/2160x1378/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-21-7.jpg 2160w)
Kim Zolciak's daughter, who has appeared on Don't Be Tardy with her, flaunted her body in a purple strapless thong bikini on Friday, just two days before turning 21. Zolciak and football player husband Kroy Biermann raise five other kids besides Brielle; she's the oldest.
![Brielle Biermann Flaunts Birthday Bikini Body After Boyfriend Trouble](https://media.radaronline.com/brand-img/RbCLkBBGC/480x307/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-11-5.jpg 480w, https://media.radaronline.com/brand-img/RbCLkBBGC/640x409/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-11-5.jpg 640w, https://media.radaronline.com/brand-img/RbCLkBBGC/768x490/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-11-5.jpg 768w, https://media.radaronline.com/brand-img/RbCLkBBGC/1024x653/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-11-5.jpg 1024w, https://media.radaronline.com/brand-img/RbCLkBBGC/1280x817/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-11-5.jpg 1280w, https://media.radaronline.com/brand-img/RbCLkBBGC/1440x919/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-11-5.jpg 1440w, https://media.radaronline.com/brand-img/RbCLkBBGC/1600x1021/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-11-5.jpg 1600w, https://media.radaronline.com/brand-img/RbCLkBBGC/2160x1378/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-11-5.jpg 2160w)
Blonde beauty Brielle left little to the imagination by showing off her hourglass curves. But she was missing a man on her Feb. 23rd beach outing with pals. Her beau, baseball player Michael Kopech, was nowhere to be seen! Brielle and Kopech have been dating since May 2016.
![Brielle Biermann Flaunts Birthday Bikini Body After Boyfriend Trouble](https://media.radaronline.com/brand-img/p4BgHyGUL/480x307/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-32-4.jpg 480w, https://media.radaronline.com/brand-img/p4BgHyGUL/640x409/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-32-4.jpg 640w, https://media.radaronline.com/brand-img/p4BgHyGUL/768x490/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-32-4.jpg 768w, https://media.radaronline.com/brand-img/p4BgHyGUL/1024x653/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-32-4.jpg 1024w, https://media.radaronline.com/brand-img/p4BgHyGUL/1280x817/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-32-4.jpg 1280w, https://media.radaronline.com/brand-img/p4BgHyGUL/1440x919/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-32-4.jpg 1440w, https://media.radaronline.com/brand-img/p4BgHyGUL/1600x1021/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-32-4.jpg 1600w, https://media.radaronline.com/brand-img/p4BgHyGUL/2160x1378/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-32-4.jpg 2160w)
As RadarOnline.com has reported, the last time Brielle posted a photo of Kopech was way back on Jan. 27, leading to split rumors. In 2015, she broke up with her previous boyfriend, Slade Osbourne.
![Brielle Biermann Flaunts Birthday Bikini Body After Boyfriend Trouble](https://media.radaronline.com/brand-img/HTapOVCBG/480x307/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-45-3.jpg 480w, https://media.radaronline.com/brand-img/HTapOVCBG/640x409/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-45-3.jpg 640w, https://media.radaronline.com/brand-img/HTapOVCBG/768x490/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-45-3.jpg 768w, https://media.radaronline.com/brand-img/HTapOVCBG/1024x653/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-45-3.jpg 1024w, https://media.radaronline.com/brand-img/HTapOVCBG/1280x817/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-45-3.jpg 1280w, https://media.radaronline.com/brand-img/HTapOVCBG/1440x919/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-45-3.jpg 1440w, https://media.radaronline.com/brand-img/HTapOVCBG/1600x1021/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-45-3.jpg 1600w, https://media.radaronline.com/brand-img/HTapOVCBG/2160x1378/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-45-3.jpg 2160w)
Brielle hasn't posted pictures of her beau Kopech in nearly a month and this weekend, Kopech wasn't around to see her in a nearly naked bikini look!
![Brielle Biermann Flaunts Birthday Bikini Body After Boyfriend Trouble](https://media.radaronline.com/brand-img/bc3k7UUPx/480x307/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-60-4.jpg 480w, https://media.radaronline.com/brand-img/bc3k7UUPx/640x409/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-60-4.jpg 640w, https://media.radaronline.com/brand-img/bc3k7UUPx/768x490/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-60-4.jpg 768w, https://media.radaronline.com/brand-img/bc3k7UUPx/1024x653/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-60-4.jpg 1024w, https://media.radaronline.com/brand-img/bc3k7UUPx/1280x817/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-60-4.jpg 1280w, https://media.radaronline.com/brand-img/bc3k7UUPx/1440x919/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-60-4.jpg 1440w, https://media.radaronline.com/brand-img/bc3k7UUPx/1600x1021/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-60-4.jpg 1600w, https://media.radaronline.com/brand-img/bc3k7UUPx/2160x1378/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-60-4.jpg 2160w)
Zolciak's daughter wore mirrored aviator sunglasses for movie star style as photographers went wild over her curves. She's joined her mother Zolciak on her Bravo reality show, The Real Housewives of Atlanta.
![Brielle Biermann Flaunts Birthday Bikini Body After Boyfriend Trouble](https://media.radaronline.com/brand-img/cCr5NdpxO/480x307/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-73-5.jpg 480w, https://media.radaronline.com/brand-img/cCr5NdpxO/640x409/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-73-5.jpg 640w, https://media.radaronline.com/brand-img/cCr5NdpxO/768x490/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-73-5.jpg 768w, https://media.radaronline.com/brand-img/cCr5NdpxO/1024x653/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-73-5.jpg 1024w, https://media.radaronline.com/brand-img/cCr5NdpxO/1280x817/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-73-5.jpg 1280w, https://media.radaronline.com/brand-img/cCr5NdpxO/1440x919/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-73-5.jpg 1440w, https://media.radaronline.com/brand-img/cCr5NdpxO/1600x1021/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-73-5.jpg 1600w, https://media.radaronline.com/brand-img/cCr5NdpxO/2160x1378/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-73-5.jpg 2160w)
As RadarOnline.com's photos show, Brielle's butt revealed some cellulite. Does it run in the family? Her mom Zolciak posted a nearly nude video of herself getting treatment for her own cellulite in the past!
![Brielle Biermann Flaunts Birthday Bikini Body After Boyfriend Trouble](https://media.radaronline.com/brand-img/JBKYPBffx/480x307/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-84-2.jpg 480w, https://media.radaronline.com/brand-img/JBKYPBffx/640x409/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-84-2.jpg 640w, https://media.radaronline.com/brand-img/JBKYPBffx/768x490/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-84-2.jpg 768w, https://media.radaronline.com/brand-img/JBKYPBffx/1024x653/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-84-2.jpg 1024w, https://media.radaronline.com/brand-img/JBKYPBffx/1280x817/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-84-2.jpg 1280w, https://media.radaronline.com/brand-img/JBKYPBffx/1440x919/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-84-2.jpg 1440w, https://media.radaronline.com/brand-img/JBKYPBffx/1600x1021/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-84-2.jpg 1600w, https://media.radaronline.com/brand-img/JBKYPBffx/2160x1378/2018/02/brielle-biermann-flaunts-birthday-bikini-body-after-boyfriend-trouble-84-2.jpg 2160w)
Brielle has been documenting her pre-birthday fun after traveling to Miami with her best friends Madi Bernard and Elizabeth Arthur. They were joined by other pals. Her parents Kim and Biermann sent celebratory balloons to Brielle's hotel and Zolciak wrote on Instagram, "How is it that my first baby is turning "21" on Sunday? Where did the time go?"
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