PHOTOS: The Best, Worst And Wackiest Dressed Stars Of The Week

WORST: Pink had a streets style slip up in Los Angeles, wearing a sloppy grey onesie.

BEST: Tracy Anderson celebrated the opening of her Flagship Studio in Brentwood wearing dress by Reformation, stacked gold rings with diamonds and turquoise as well as gold bangles by Maya Brenner, additional bangles by Ariel Gordon, Rose gold pink opal earring surrounded by rose cutdiamonds and jeweled bangles by Irene Neuwirth and YSL Tribute heels. The trainer to the stars was styled by Lauren Rae Levy.

BEST: Stacy Keibler showed off her flawless figure in a Rebecca Minkoff jacquard dress that featured an open back at the opening of the Tracy Anderson Flagship Studio in Brentwood, California.

BEST: Victoria Beckham rocked a casually chic look to lunch with Harper, pairing denim bell bottoms from her own collection with a Jonathan Saunders tank.

WORST: Khloe Kardashian hit the streets of Los Angeles in a not-so-chic black outfit, wearing a huge blue bow in her hair and carrying a white Chanel bag.

BEST: Angelina Jolie looked boho glam at the Women in the World Summit 2013 in New York City, wearing an olive green and black Saint Laurent look.

WORST: Julianne Hough couldn’t pull off her colorful Carolina Herrera ensemble at the Lucky FABB West cocktail party in Hollywood, mostly because of her yellow satin shoes.

BEST: Gwyneth Paltrow stood out in the crowd at the opening of Tracy Anderson Flagship Studio wearing an electric purple Victoria Beckham dress with neon orange and black Michael Kors sandals.

BEST: Rosario Dawson looked pretty in pink at the New York premiere of Trance, wearing a belted dress, heels and a clutch, all BottegaVeneta.

BEST: Keri Russell showed off her skinny bod in a leather dress from The Row paired with Jimmy Choo heels at the 2013 FX Upfront Bowling Event in NYC.

BEST: Drew Barrymore looked adorable in a Splendid printed top and black pants at the Lucky magazine FABB West cocktail party.

WORST: Chrissy Teigen flashed a little too much skin her sheer dress and Jimmy Choo heels at the Jeffrey Fashion Cares Celebration in NYC.

WORST: Girls star Jemima Kirke looked disheveled at the NYC premiere of Trance in her clashing and confusing clothes.

BEST: Jenny McCarthy flaunted her fabulous figure at the Hotel Durex Charity event in NYC.

BEST: Ireland Baldwin looked perfectly put together, showing off her sophisticated style sense at the Jeffrey Fashion Cares event in NYC.

WORST: Girls star Zosia Mamet definitely had the blues in a bad way at the NYC premiere of The Company You Keep, with her Honor ensemble.

WORST: Rita Ora sported a style slip up at Tao in Las Vegas, wearing thigh high Salvatore Ferragamo boots with a powerfully printed frock.

WORST: Kim Kardashian looked like she belonged at Medieval Times, busting out of a Rachel Pally dress.

WORST: 1980’s icon Debbie Gibson had a major fashion disaster at IllJin’s The Love Revolution fashion show.

WACKY: Aubrey O’Day outdid her usually terrible fashion with this offensive ensemble, performing in Coconut Creek, Florida.