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Since at least February, we've known that Diddy had been working in the studio with retired actor Joaquin Phoenix, who had reportedly given up his former trade to pursue a career in rap.

But, earlier this month, there was heightened speculation that it all may be a hoax. Not so, says Diddy.

Speaking to MTV, Diddy confirmed doing a record with Phoenix, said that the rap move was "for real" and that, if it isn't, "he tricked me." Check out the clip below.