Are Rihanna and Chris Brown Back Together?!

Chris Brown and Rihanna may have kept their distance during the Grammy's, but they're not fooling anyone. It's rumored that the former couple will be collaborating on the remix of Rihanna's song "Birthday Cake." Pair that with Brown attending her birthday party on Monday night, and we have cause to worry.

Memorable Celebrity Kisses!

02_16_12_main2.jpg (Slideshow)
02_16_12_main2.jpg (Slideshow)

Photo: Kevin Mazur/Getty Images

Brown's return to the Grammy's brought controversy as celebrities and viewers were vocal about his performance Sunday night. Twitter trended #RIPChrisBrown after he tweeted, "Hate all u want becuz I got a Grammy now! That's the ultimate F*ck Off!" Is it us, or does that sound like a man who is NOT sorry for beating his ex?

Rihanna, we love your new blonde locks, but maybe the bleach is getting to your head. What do you think about this couple reconciling?

Which Hairstyle Attracts Men Most?