By Leah Abrahams
Updated Feb 10, 2013 @ 6:00 am
Krista Kennell/Sipa Press; Laura Farr/Newsmakers/Getty; Dan MacMedan/WireImage; KMazur/WireImage

The Grammy Awards red carpet is as unpredictable as it gets in terms of big award show events. While some stars go with larger-than-life outfits, others arrive in full-on costume! In celebration of tonight's ceremony, take a look back at the most unbelievable outfits to ever hit the gramophone carpet, from Gaga, Rihanna, and more. Then, tune into the live show at 8 p.m. EST on CBS to see what this music's biggest night has in store for us!