Chris Brown is bringing in some heavy-hitters for his upcoming album 'X.' The singer revealed a partial guest list of friends who will appear on the collection via his Twitter account.

According to Brown's July 4 tweet, chart-topping artists Nick Minaj, Kendrick Lamar, Kelly Rowland, Wiz Khalifa, B.o.B and yes, his on-and-off girlfriend Rihanna will make cameos on his album.

You can also add Aaliyah, posthumously, as well since her vocals appear on Breezy's latest single, 'Don't Think They Know.'

As for production, hit-makers Polow da Don, Diplo, Pharrell Williams, Timbaland and Drumma Boy will provide the sonics on the album.

"I wanted to take the Quincy Jones approach," Brown explained to Rolling Stone about the team of producers he gathered for the LP. "The record pays homage to the Stevie Wonders, the Michael Jacksons, the Sam Cookes. I wanted to put that classic essence of R&B and soul with the new age of music now."

With his all-star team of artists and producers, the 'Fine China' singer could very well achieve that.

Chris Brown's 'X' was slated to arrive on July 16 but was postponed. No new release date has been set as of yet.

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