Style Showdown: Amanda Seyfried vs. Jennifer Lopez

Both stars grace the Oscars in stunning, sparkly gowns, but who's the better belle of the ball?

Amanda Seyfried and Jennifer Lopez may not have the honor of being nominated, but dayum, if they don't know how to rock the red runway!

Both Mandy and J.Lo grace the 2010 Academy Awards in stunning, sparkly Armani Privé gowns. So who's the better belle of the ball?

While you're indulging in your favorite pastime of pitting fashionistas against each other, check out E!'s Red Carpet Pose-Off Game.

Sandra Bullock vs. Sarah Jessica Parker, Kristen Stewart vs. Carey Mulligan, Charlize Theron vs. Cameron Diaz—who brought it to the Oscar carpet?

Make the call, and you could win a Tiffany Circle Diamond Pendant. You know you want some Oscar swag!