Hip-Hop Rumors: Chris Brown and Rihanna "Hook Up" at GRAMMY Rehearsals?

We hear Chris Brown and Rihanna have been spending some quality time together as of late. RumorFix.com is reporting that the two spent five hours holed up in Rihanna's dressing room during rehearsals for the 2012 Grammy Awards on the Sony lot in Los Angeles. What the two were doing for five hours is still unknown, but source say Chris' girlfriend Karrueche Tran was nowhere in site - although Chris was accompanied by one of his male friends.

Funny enough, Karrueche tweeted this tweet out last night:

Screen Shot 2012-02-08 at 6.45.29 AM

Sorry, Karrueche, with Rihanna back in the picture, I don't think you will be able to have it all.

Do you think Rihanna and Chris Brown getting back together would be a mistake? These two have a tumultuous history, but that was three years ago, and they both seemed to have grown up a lot since then. If they do, they would definitely be the new Whitney and Bobby. I just hope they don't end up like them!

Source: Rumor Fix.com