Jennifer Lopez performs at the American Music Awards in Los Angeles on Sunday Nov 22,2015

Jennifer Lopez delivered a sizzling opening performance at the American Music Awards on Sunday evening.

The 46-year-old pulled double duty as, for the first time ever, she performed and hosted the American Music Awards at the Microsoft Theater in Los Angeles.

The Booty singer pulled out all the stops in a skin-tight bodysuit as she performed a medley of the year's biggest hits

The singer began the show with a slowed-down version of her 1999 song Waiting For Tonight, before announcing: 'Tonight isn't about me, it's about the music. And this year the music made me want to dance.'

She then launched into a spectacular medley of the year's biggest hits