Before Kim Kardashian became known for her impressive posterior it was all about Jennifer Lopez’s bum.

And the 44-year-old isn’t ready to relinquish her curvaceous crown anytime soon.

J-Lo flaunted her infamous backside in a dazzling colourful mini dress while arriving to American Idol on Thursday.

Jenny From The Back: Jennifer Lopez displayed her fabulous curves in a colourful mini dress while arriving to an American Idol taping in Los Angeles on Thursday

The fabulous beaded frock also displayed the mother of two’s bronzed toned legs which she teamed with a pair of tan stilettos.

The Idol judge wore her highlighted locks up in a braided bun with impeccable make-up which accented her flawless glowing skin.

She arrived for the crucial taping which saw the contestants whittled down from three to the final two.

Bootylicious: While Jennifer flaunted her curves at Idol, Kim Kardashian showed off her figure in New York

Judging talent: The Idol contestants were whittled down to two, with Jena Irene and Caleb Johnson left vying for the crown next week