Sources Say Chris Brown Attended Rihanna's Birthday Party

The gossip surrounding Rihanna and Chris Brown reconciling and secretly dating again have taken off.

Multiple sources, including TMZ, have reported that party-goers spotted Chris at Rihanna's 24th birthday party. The shindig took place at the Hearst Mansion in Beverly Hills. Attendees were reportedly forced to sign confidentiality waivers but it looks like someone couldn't keep their mouth shut.

Katy Perry, Bruno Mars, and Chris Martin were all present but have not given any details about what went down. We also heard CB and Rihanna were talking and holding hands all night long.

Stay tuned for more on this story.