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Olivia Wilde, Selena Gomez, Gabriel Union, ESPY Awards

Christopher Polk/Getty Images/Jordan Strauss/Invision/AP/Allen Berezovsky/WireImage

Last night's 2013 ESPY Awards honored the very best men and women in the world of sports, but there were also a few fashionistas who scored wins with fab looks!

And while they may not make a living out of flexing their muscles, certain Hollywood stars showed off physiques that were as fabulously fit as the pro athletes in attendance by walking the red carpet in figure flaunting outfits.

Take Olivia Wilde who showed off her seriously toned tummy in an edgy leather A.L.C. crop top. Proving that the trendy top doesn't have to be too racy (take note, Miley Cyrus!), she expertly balanced out the ab-baring look with a more modest red checkered A.L.C  pencil skirt, and finished the look off with strappy Jerome C. Rousseau sandals and a sleek Jimmy Choo clutch. 

Selena Gomez also bared a little skin in a lacy little dress by Dolce & Gabbana. Looking red hot, the 20-year-old wowed us with her gorgeous gams that are just made for mini dresses. 

Marisa Miller, Katherine Webb, Chrissy Teigen, ESPY Awards

Alberto E. Rodriguez/Getty Images for ESPY/Paul A. Hebert/Getty Images

Gabrielle Union also stunned with her striking stems in a short Marc Bouwer number, which also featured a plunging neckline. But, hey, if we looked as good as Union does at 40—yes, 40!—we'd display every curve, too!

Other stars opted to ooze sex appeal in sheer frocks, like Marisa Miller, who hit the red carpet in a sultry Catherine Malandrino dress featuring see-through and leather paneling in a brilliant cobalt blue hue that undoubtedly turned heads. And with such a statement-making dress, Miller smartly chose to skip layering on distracting accessories. Instead, she reached for simple but chic Louboutin peep-toes in nude. 

Fellow model Chrissy Teigen also played with the peekaboo effect at the awards show, sporting a sheer neon yellow Izmaylova top that showcased the lacy bra she wore underneath. She went for an all-out sunny look with a pencil skirt in the same eye-catching hue from the label and Oroton's Akala clutch.

Finally, Miss Alabama USA 2012, Katherine Webb, looked like a knockout in an Edition by Georges Chakra strapless dress with stunning sequined bodice detailing in cool silvers and blues. It was a fab take on the little white dress trend that's been dominating summer fashion, and made for one of the fresher fashion statements we saw on the red carpet.  

Who do you think was the best dressed star at the ESPY Awards?

PHOTOS: Check out more stars at the 2013 ESPY Awards