Rick Ross has worked with some of the hottest names in music but not even the Bawse was ready for his upcoming collabo with Lady Gaga.

“For me to get to collab with her, that was a big one for the boss,” Rozay told Rap-Up during Power 106's Cali Christmas 2013. “If it’s big for the boss, you know it’s big."

Apparently Gaga called the Maybach Music Group honcho to hop on her new song 'Do What U Want' -- the original song features R. Kelly. Ross was all too happy to oblige. “[She's] a super-talented artist that loves to express herself to the fullest extreme,” he added. “Shout out to Lady Gaga.”

In the same interview, Ross addresses his 'Mastermind' album, which has been pushed back from its original December release date. The project, due in early 2014, is set to include features from Jay Z and the legendary Bobby Womack. “I got in the studio with a few people just to do a lot of different things and it’s gonna be some dope s---,” Ross shared.

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