One Last Time Ariana Grande
20 May 2013, 10:38
Watch the best performances from Las Vegas, including Bruno Mars, Taylor Swift and Nicki Minaj.
Taylor Swift was the big winner at the Billboard Music Awards in Las Vegas, which also saw a host of huge performances.
Taylor performed her hit '22' at the event, beginning her performance backstage before making her way into the main auditorium.
Ed Sheeran delivered an incredible rendition of 'Lego House' for the capacity crowd, while Nicki Minaj gave Lil' Wayne a lapdance during their collaboration 'high School' and Bruno Mars performed his new single 'Treasure'.
The Billboard Music Awards also saw appearances from Prince and Madonna.
Watch some of the standout performances from the Billboard Music Awards 2013 in Las Vegas below.