This article provides a roundup of celebrity news, including a discussion on the upcoming tour featuring Usher and Chris Brown, and an update on Diddy's potential appeal.

The R&B singer won permission to keep suing a documentary interview subject, even though his claims against the film's producers have been tossed.

Chris Brown and Usher have teamed up to announce the "Raymond & Brown Stadium Tour," with a teaser released for the upcoming concerts. Chris Brown's 12th studio album is also expected to arrive in May.

Nominees for this year's show include Bad Bunny, Benson Boone, Chris Brown and Jelly Roll.

Canada is still figuring out regulations when it comes to driverless vehicles, like robotaxis, on its roads. China, on the other hand, has embraced the technology, rolling out fully autonomous vehicles in select areas of cities like Beijing, Wuhan and Shanghai. CBC’s Lisa Xing and Chris Brown are in China as part of special coverage and took a ride inside a vehicle to see what it’s like.

Chris Brown's former partner, Diamond Brown, and his rumored current girlfriend, Jada Wallace, are reportedly involved in a public dispute on social media.