50 Cent has taken a break from taunting Diddy to help Eminem announce his new album, The Death of Slim Shady (Coup De Grâce).

Fif appears in a whodunit style trailer to plug the album and calls Em's Slim Shady persona a "psychopath."

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We first heard that Em was dropping a new album last month when his mentor Dr. Dre talked about it on Jimmy Kimmel Live!

"I’ve got songs on it and it’s fire," said Dre, which means there's other producers on the album besides himself.

The Death of Slim Shady (Coup De Grâce) will arrive this summer. Are you amped?