They may have a combined age of 86, but Jennifer Lopez and Ricky Martin are hotter than ever!

It felt like 1999 all over again this morning, as two of the sexiest singers of the late '90s got together with rapper Wisin for a scorchingly hot new music video.

Sporting booty shorts and a bikini top in the clip for "Adrenalina," J.Lo proves she's still got it at 44 ... and, at 42, Ricky is only getting better with age too!

It's clear even gay men can't resist Miss Lopez, as Martin can be seen grinding on her famous derriere and, at one point, even nibbles at her ear.

They would make one hot pair in real life!

The "Adrenalina" video is one of two that J.Lo filmed last month. We can't wait to see the other -- which was for the upcoming World Cup anthem "We Are One."

Check out the gallery below to see how more of the sexiest pop stars of the '90s and '00s have aged since their "TRL" heyday!


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