Jennifer Lopez lit up The Forum in Los Angeles last night with the first show of her ‘It’s My Party Tour.’

The summer jaunt has been erected in salute of J.Lo’s upcoming 50th birthday and is already proving quite the gift for fans.

Backed by an army of energized dancers, the diva delivered a career-spanning set, breaking out bops such as ‘On The Floor’ and ‘If You Had My Love’ – which recently celebrated its 20th anniversary.

La Lopez also opened with her latest jam ‘Medicine.’

What are you waiting for? Pics and clips await after the jump…

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[Photo credit: Getty]