Chris Brown was scheduled to perform a tribute in honor of the 40th anniversary of Michael Jackson's classic hit 'Thriller.'
Cardi and husband Offset welcomed their son in September after announcing that they were expecting baby number two at the BET Awards over the summer.
Megan's competition for Favorite Album of the Year included Drake's Certified Lover Boy, Juice Wrld's Legends Never Die, Pop Smoke's Shoot for the Stars Aim for the Moon and Rod Wave's SoulFly.
Celebrities pulled out their Sunday best for the 2018 American Music Awards.