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Diddy Massive 53rd Birthday Party Takes the Cake Jay-Z, Travis, Mary J Celebrate Big 5-3

Diddy rang in his 53rd year on the planet in true Diddy fashion Friday night ... Big party!! BIGGER names!! Lotsa liquor!! And dancing galore!!

The legendary rap mogul threw his fancy Bday bash at his L.A. mansion ... and the stars came out mostly dressed to the nines to lap up all the fun.

Travis Scott, in a sleek black suit, showed Diddy some love, hugging him as they chatted with excitement. The icons also pounded their fists against a table before everyone sang happy birthday to Diddy.

Jay-Z was also there, but he decided to go a little more casual in blue sweats with a matching blue hat. Jay toasted Diddy with Mary J. Blige, raising their shot glasses and downing the booze.

Other celebs in attendance ... Chris Brown, French Montana, MGK, Teyana Taylor, Kehlani, Tinashe and Jermaine Dupri.

Of course, Diddy was on the receiving end of gifts and several cakes that spelled out the word, "Love." To top things off, partygoers climbed onto a huge mattress in the backyard and danced their butts off ... with Diddy!!

Absent from the festivities was Diddy's new biz partner Elon Musk. As we reported, Diddy invested more than $10 million to help Musk buy Twitter.

But we're sure Diddy gave Elon a pass for missing his soiree ... after all, Musk is dealing with lots of drama at his new social media company.

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