Speaking on the final track of Bad Boy's "The Preview" mixtape, which was released this evening, Diddy shared some news regarding Cassie's project.

He said that her album would be out in 2012 (no big surprise there), but that she would release a single, "King of Hearts," this year. Stay tuned.

Machine Gun Kelly has said that his first Bad Boy album would be released in the first quarter of 2012.

While that still will probably be the final result, on the outro of "The Preview" mixtape, Diddy hints at the possibility of a 2011 release.

"He's catching so much fire, he might have to come out in 2011," Diddy says.

On the outro to the just released "The Preview" mixtape, Diddy says that Bad Boy is in "rebuild mode" and that they are actively looking for new artists.

"All new young, aspiring artists and producers: we in rebuild mode, baby," he said. "Our journey has just begun. Get at us! We're signing new artists. We got a truck load of new money. We got a lot of wisdom."

Going into the weekend, Bad Boy has released a surprise mixtape titled "The Preview," which showcases music Machine Gun Kelly, Cassie and Red Cafe.

It features previously unreleased songs, including Cassie's "Radio" (featuring Fabolous) and "Make You a Believer" (featuring Jadakiss) and Machine Gun Kelly's "Warning Shot" featuring Livvi Franc. Interludes and ad-libs from Diddy complete the project, which was co-hosted by the Bad Boy CEO and DJ Prostyle.

Bad Boy, with no currently announced release dates, has not put out an album since December 14, when Dirty Money's "Last Train to Paris" was released. "The Preview" is a vehicle to make people aware of what is coming next, and that the label is ready to release some new music.

"We are the legendary Bad Boy empire," Diddy says on the album's intro. "S*** we've done, has never been done before. I pray it'll be done again 'cause I ain't a hater. I would love for somebody to feel the motherf****** success that we felt. But, it's rare to have longevity in this hip-hop game. So, I have an announcement: I'm back, I'm refocused and the journey has begun. We haven't gotten all the way on our 'pop s***' s*** yet, 'cause we got some work to do."

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The official trailer for "The Realest," the latest visual from Red Cafe's "Above the Cloudz" EP, has been released. The song features Fabolous and Lloyd Banks. Watch below.

Here are Bad Boy's positions on the most recent Billboard U.S. album and single charts, released today.

Albums

Top R&B/Hip-Hop Catalog Albums

13. "Greatest Hits" by The Notorious B.I.G. (up from 22).

Singles

Bubbling Under R&B/Hip-Hop Singles

1. "Fly Together" by Red Cafe (debut).

Hot Dance Club Play

27. "A** on the Floor" by Dirty Money (a new high, up from 30).

Last night, Machine Gun Kelly released "Wild Boy" featuring Waka Flocka Flame.

Care of his Twitter, you can download the dirty and clean versions for free. You can also listen and check out the single cover below.

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Machine Gun Kelly recently performed at the Key Club in Los Angeles. Watch some footage from the concert below.

Earlier this week, Machine Gun Kelly shot the video for "Stereo," directed by Colin Tilley. MTV was on set and MGK talked with them about the concept of the video and what it's like to have a major label budget. Watch below.

On Twitter, Diddy revealed that "Wild Boy," the new mix show club single from Machine Gun Kelly, would be released at midnight on Friday, September 2. The song, which will feature Waka Flocka Flame, was previewed in MGK's flash mob clip.