Conversation so far:
what happened with chris brown in 2007?
In January 2007, Brown landed a small role as a band geek in the fourth season of the American television series The O.C..
did he win any awards?
The album debuted at number four on the US Billboard 200 chart, selling 294,000 copies in its first week, and received generally positive reviews from music critics.
what did he do next?
On November 21, 2007, Brown appeared in This Christmas.
Are there any other interesting aspects about this article?
Brown was named Artist of the Year by Billboard magazine.

Question: what was his top hit?
Self-contained rewrite: what was Chris Browntop hit?