LL Cool J hosts the 57th annual event, held at the Staples Center in Los Angeles. Scheduled to perform: AC/DC; Common; Eric Church; Ariana Grande; Miranda Lambert; John Legend; Madonna; Paul McCartney; Rihanna; Ed Sheeran; Sam Smith; Usher; Pharrell Williams; Kanye West. Musical collaborations include: Tony Bennett and Lady Gaga; Hozier and Annie Lennox; Jessie J and Tom Jones; Adam Levine and Gwen Stefani.
