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Watch Lil Wayne Join Diddy And Ma$e To Perform A Biggie Classic

'Mo Money Mo Problems' can still rock a party.

Lil Wayne, Diddy and Ma$e gave a Las Vegas crowd quite a surprise over the weekend.

Weezy joined Puff Daddy and Ma$e for a rendition of the throwback Bad Boy classic “Mo Money Mo Problems” on Saturday, May 2, at Foxtail Pool Club.

The track was quite fitting given that they were all there to watch the Floyd “Money" Mayweather and Manny Pacquiao fight that night -- a bout Money May ended up winning.

“Mo Money Mo Problems,” which also features a verse by the late great Notorious B.I.G., was released as a single for Biggie’s 1997 classic Life After Death. 18 years after its release, the song can still clearly get a pool party going.

Weezy’s reportedly working on his upcoming Free Weezy Album, a follow-up to January's Sorry 4 The Wait 2.