Chris Brown missed out on a number one in Britain on Sunday (13Feb11) - pop sensation Jessie J retained the top spot with PRICE TAG for a second week.
Brown's collaboration with Chipmunk, Champion, was expected to debut at the top of the singles chart, but entered at number two.
Lady Gaga's Born This Way shot straight to three just two days after its release on Friday (11Feb11). The top five is rounded out by Bruno Mars' Grenade and Rolling in the Deep by Adele.
The soul singer's second album, 21, is at number one followed by Bruno Mars' Doo Wops & Hooligans and Rihanna with Loud.