Lifestyle Style Wedding Guest Style: Would You Wear These Looks? Leighton Meester's mini, Rachel Bilson's backless dress, Cat Deeley's white suit – are these stars' red carpet outfits appropriate to wear to a wedding? Vote now By Kara Murphy Published on March 7, 2011 08:00 PM Share Tweet Pin Email Trending Videos 01 of 06 LEG-BARING MINI Jon Kopaloff/FilmMagic rocks a Christian Dior minidress with vivid Pierre Hardy wedges to a L.A. premiere, but is the length too much for someone else’s big day? 02 of 06 OPEN-BACK FROCK Jaguar/LFI shows some skin in a leather-trimmed Burberry dress paired with Christian Louboutin heels at the Waiting for Forever premiere, but is her flash of skin just right or too much? 03 of 06 WHITE DRESS Michael Tran/FilmMagic chooses an all-white Christian Siriano dress, nude pumps and a gold clutch for a L.A. event, but would you dare to wear the same shade as the bride? 04 of 06 BODY-CONSCIOUS SILHOUETTE Joe Coomber/Sipa Emmy Rossum works her Julien Macdonald dress with gold Jimmy Choo heels for a Vegas bash, but should what looks appropriate in Vegas stay in Vegas? 05 of 06 MENSWEAR-INSPIRED PANTSUIT Adam Houghton/Capital Pictures/AdMedia Cat Deeley pairs her white tuxedo with nude heels and a leopard-print clutch while attending a London dinner, but does a wedding call for a dress? 06 of 06 CASUAL DAY DRESS Noel Vasquez/Getty Gabrielle Union balances her simple, printed shift with a tan belt and flat sandals for a daytime event in L.A., but even if it’s a ceremony by sunlight, is it still too laidback for a wedding?