Chris Brown & Justin Bieber: Another Duet in the Works?

Chris Brown and Justin Bieber arrive at a recording studio on Monday (July 18) in Los Angeles.

The two singers, who most recently collaborated on “Next 2 You,” chatted outside before heading inside the buildling.

On Friday, Chris broke a Today show record when more than 18,000 fans packed NYC’s Rockefeller Plaza to watch him perform!

“I love my fans..everyone of them. Special moments in my life are because of you! Thank you,” Chris tweeted.

10+ pictures inside of Chris Brown meeting up with Justin Bieber in Los Angeles…