It makes for an incredibly sexy Bikini Wars showdown when two of the hottest women in Hollywood strip down into the same white bikini!

LeAnn Rimes, 26, cruised on a luxury yacht in the barely-there bikini showing off her super slender white hot body.

PHOTOS: LeAnn Rimes And Kim Kardashian Strut Their Stuff In Same Bikini

The bikini is the Eternal Flame from the Kim Kardashian line for Beach Bunny, so it isn’t surprising that the bootylicious reality star wore the same sizzling suit in May.

It's a Bikini Wars showdown as Hollywood's bad girl battles it out with one of the sexiest supermodels in the world in a super skimpy bikini!

Lindsay Lohan was splashing around the Hawaiian surf in a colorful $50 electric leopard print strapless Victoria's Secret bikini, barely covering up her ample assets after stripping down for a fully nude Marilyn Monroe inspired Playboy cover shoot.

PHOTOS: Lindsay Lohan Vs. Victoria's Secret Model

Looks like a catfight!

Let’s face it: whether they love sinking their claws into men several years their junior, cougar-style like Demi Moore, Jennifer Aniston, Courteney Cox and Halle Berry, or cuddle up like cubs to older guys a la Megan Fox, Scarlett Johansson and Taylor Swift -- these stars are smoking hot.

PHOTOS: Bikini Wars! Team Cougars Vs. Team Cubs

But when it comes time to strip down into their skimpy swimsuits, only the sexiest star can be queen of the jungle.

Jennifer Aniston has one of the most banging bods in Hollywood. The former Friend eats right and sweats hard to keep her figure fat-free and fabulous, so she can pounce on sexy men several years her junior!

Former Dancing with the Stars contestant Stacy Keibler may have waltzed her way to George Clooney’s heart, but she isn’t the only hot-bodied babe who has made magic with the silver fox!

It is a battle of the fittest in RadarOnline.com’s special Bikini Wars feature, where the former WWE Diva faces-off against Clooney’s collection of former flames.

These leading ladies may combine their sexy powers to dominate the box office, but when they hit the beach in their skimpy bikinis, only the hottest body will go home with the Bikini Wars gold. RadarOnline.com has photos of the sexiest costars, stripped down and battling it out on the beach in this special bikini feature. To see sexy costars stripped down and battling it out Bikini Wars style, click the next sentence.

Click Here To See Sexy Costars Face-Off In Bikini Wars

Gwyneth Paltrow and Leighton Meester are both Country Strong -- and sexy! While the Gossip Girl knows how to steam up the shoreline with her swerving curves, Gwyn’s fat free and fabulous figure is envied all over the world.  But only one of these bombshell babes can bring home the Bikini Wars title.

Whether they hopped from the glossy pages of magazines to the big screen or the other way around, there is no question that all of these swimsuit sirens are sexy-but who brings the most heat to the beach?

PHOTOS: Models-Turned-Actresses Vs. Actresses-Turned-Models

It is a battle of the bikini bodies, when the hottest models-turned-actresses are pitted against actresses-turned-models in RadarOnline.com's Bikini Wars!

Megan Fox is undeniably one of the sexiest stars on the big screen. The loose-lipped bikini babe, who has stripped down for Armani Underwear, was replaced in the 3rd installment of the Transformers franchise with sizzling supermodel (and Victoria's Secret Angel) Rosie Huntington-Whiteley. Which of these Transformers hotties has the most banging body on the beach? To find out who brings home the Bikini Wars gold click here.

It's a Bikini Wars "survival of the fittest" when Hollywood's hottest cougars take on its' sexiest cubs!

PHOTOS: Hollywood's Hottest Cougars Vs. Cubs

Let's face it: whether they love sinking their claws into men several years their junior, a la Demi Moore, Jennifer Aniston, Courteney Cox and Halle Berry, or cuddling up to older guys like Megan Fox, Scarlett Johansson and Taylor Swift -- these stars are smokin' hot.

But when it comes time to strip down into their skimpy swimsuits, only the sexiest star can be queen of the jungle, and you can only find out who reigns on RadarOnline.com!