Dark-eyed Jennifer Lopez, 37, constantly changes up her look, but at a recent press event, the actress (next up in the drama El Cantante with hubby Marc Anthony) looked positively girlish, bringing to mind fresh-faced Mandy Moore, 22.

Photos by ERIK PENDZICH/REX USA; GV CRUZ/WIREIMAGE.COM

Though she’s 30 years her junior, Veronica Mars star Kristen Bell, 26 — with her tousled blonde hair and thousand-watt smile — could pass for TV vet Morgan Fairchild, 56, who is back in catfighting form on the new TV show Fashion House.

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Is Gwyneth Paltrow, 34, morphing into a real style icon? With that stick-straight platinum hair, the fashion-conscious star (next seen in Infamous) is looking more than a little like Italian design legend Donatella Versace, 51.

Photos by ROGER KARNBARD/CELEBRITYPHOTO.COM & AP/WIDE WORLD PHOTOS

With his arched brows and square-jawed good looks, Balthazar Getty, 31 — who stars in the new ABC series "Brothers and Sisters" — could be a real-life sibling to Liev Schreiber, 39, next up in the drama "The Painted Veil."

Photos by JESSE GRANT/WIREIMAGE.COM & ZACK SECKLER/STARTRAKSPHOTO.COM

It’s no wonder actor Harry Hamlin decided he was up for the challenge of Dancing With the Stars. Last season, he had the ideal preview, watching wife Lisa Rinna get her groove on with pro Louis van Amstel — who could be Hamlin’s twin!

Photos by JAMES SORENSON/ABC