The 44-year-old 'Live It Up' singer showed off her super-tanned and toned bod in a black dress with cut-out panels.
Jennifer attended the do, along with her fellow judges Keith Urban and Harry Connick Jr., to celebrate the final 13 contestants in the US talent show.
She wore her hair in a neat, high bun that showed off her bronzed back to perfection while her make-up featured nude glossy lips, subtle contouring and lengthy lashes.
Loving her work? Channel J.Lo in this cut-out detail LBD, £38 from Motel.
Add gold jewellery, black heels and Jennifer's bronzing buy of choice - Scott Barnes Body Bling, £27, and you're good to glow!
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