Rihanna and Chris Brown

Surprise! Surprise!! After weeks of doubts and speculations surrounding Chris Brown’s alleged involvement on Rihanna’s “Birthday Cake” remix song, it has been confirmed that the R n B act featured in the song.
The two ex-lovebirds who parted ways three years ago after Chris assaulted the ‘Umbrella’ crooner also tweeted out links to their new song.
Chris and Rihanna also collaborated on a remix to Brown’s single “Turn Up The Music” .
What however cannot be ascertained is whether the version will be released as an official single or for fans to download.

Source: Idolator