2013 Grammys: 10 Things You Gotta Know About Justin Timberlake, Taylor Swift and Music's Big Night

Here's to the biggest night in music! We can't wait to see all of the amazing performances, random collaborations, wild fashion choices, impromptu speeches and and everything else that happens during tonight's 2013 Grammy Awards. But before you break out a drink and get cozy to watch the big show, here are a few things you gotta to know about this year's Grammys. 1. Justin Timberlake Is Bringing Sexy Back: We cannot contain our excitement! If there's one reason to watch the Grammys at all this is it—seriously.  Jt is suiting up and hitting the Grammy's stage for the first time in four years! Did we already mention we're »