Hot Summer! Stars Heat Up The Season In Their Sexiest Swimsuits

Sun's out, buns out! As the weather heats up, the clothing gets skimpier, especially when it comes to celebs eager to show off their bodies. Check out the hottest summer hotties in RadarOnline.com's gallery.

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Farrah Abraham, 27, left little to the imagination while vacationing in Cannes — days after her feud with Mob Wives star Drita D’Avanzo exploded.

Real Housewives of Beverly Hills star Camille Grammer, 49 enjoyed a sunny beach day on the Fourth of July with her fiancé, David Meyer.

What summer beach bod gallery would be complete without a Kardashian or two? Here, Kourtney Kardashian gets hot and heavy with her 24-year-old boytoy, Younes Bendjima, in Italy.

Gabrielle Union, 45, and her husband, Dwayne Wade, 36, were spotted looking happy and relaxed while on vacation in Ibiza.

Model Bella Hadid, 21, was snapped in a stylish bikini as she hung out on a boat to assist with qualifications at the Monaco Grand Prix at the end of May.

Heidi Klum, 45, has spent much of the summer locking lips with her much younger boy toy, 28-year-old Tom Kaulitz. The two were all over each other as they relaxed on a luxury yacht on May 19 in Cannes, France.

Britney Spears proved that she looks good at every age. In June, the 36-year-old got cheeky in a skimpy blue thong bikini while on vacation in Miami.

It was a welcomed distraction from her ongoing legal battle with her ex-husband, Kevin Federline, over spousal support.

Jennifer Lopez and Alex Rodriguez shared the Independence Day holiday with their kids at the beach.

Courtney Stodden, 23, was spotted hosing down a barely-there bra top after doing some yoga poses and going on a hike in the Hollywood Hills in June.

Nikki Reed, 30, and husband Ian Somerhalder, 39, shared some passionate PDA while on a beach in Mexico.

At 52, Brooke Shields looks better than ever! At the end of May, the iconic actress posed for an empowering Swimsuits For All campaign alongside gorgeous beauties, including Ashley Graham and Angela Simmons.

Justin Theroux, 46, showed off his washboard abs while sunning on a luxurious yacht in the South of France with rumored girlfriend Emma Stone.

It didn’t take long for the 29-year-old starlet to strip down and join Jennifer Aniston's ex! She traded her yellow dress for a tiny white bikini.

Joanna Krupa welcomed summer by stripping down to a tiny bikini that accented her tiny waist and extra-long legs.