Tonight, the 2015 Billboard Music Awards kick off at the MGM Grand Arena. Hosted by Ludacris and Chrissy Teigen, the three-hour event will feature an assortment of epic performances from artists like Fifth Harmony, Nick Jonas, Wiz Khalifa, Mariah Carey, Britney Spears and Iggy Azalea.
Plus, Taylor Swift and Sam Smith lead the way with the most nominations. Who will walk away tonight with some pretty impressive trophies? Find out tonight. The 2015 Billboard Music Awards air at 8 p.m. on ABC. In the meantime, hit the flip for five things you need to know about this evening’s festivities.