Celeb Fashion Hits & Misses

Katie Holmes dazzles in a diaphanous Chloé dress and Christian Louboutin heels at fiancé Tom Cruise's War of the Worlds premiere in London.

Nicole Richie keeps it short and simple in a strapless red minidress with a waist-cinching gold belt and matching clutch in Beverly Hills.

We're sorry, Ms. Jackson, but that skirt is just not flattering. The singer looks like she has curtains strapped to her hips at a Beverly Hills charity gala.

Gwyneth Paltrow is angelic in a beaded Valentino gown with a delicate chiffon overlay at a fashion event in Rome.

Leg warmers in summer? Eek. Hilary Duff makes a fashion faux pas with her sundress-winter accessory combo at a Hollywood club.

The Honeymooners star Gabrielle Union glows in a silky Hugo Boss slip dress during an appearance on Last Call with Carson Daly.

Desperate Housewives actress Nicollette Sheridan's legs look like they're imprisoned by her gown's peek-a-boo stripes at the L.A. premiere of Mr. amp Mrs. Smith.

Jennifer Connelly channels Audrey Hepburn in an elegant A-line Chanel dress with a festive silk bow at a charity gala in New York City.

My, oh, Mya! The singer-actress takes whimsical a bit too far in a tacky lingerie-esque minidress at the MTV Movie Awards.

The O.C. star Rachel Bilson goes retro in a 1940s-style Derek Lam dress and peep-toe pumps at a party in Hollywood.

Sarah Michelle Gellar is glamorous in a silky chocolate-brown Max Azria Collection gown festooned with rhinestone brooches and silver-and-gold pearl strands at the CFDA Fashion Awards in New York City.

Paris Hilton isn't making a rainbow connection in a strapless minidress that looks more like a feather duster at West Hollywood restaurant Koi.