Rihanna splits from Matt Kemp

Rihanna looks set to start to 2011 as a single woman.

The star has reportedly split from baseball hunk Matt Kemp after an 11 month romance.

Sources told Us Weekly magazine that the couple grew apart. The insider says, "(Rihanna has been) so busy, he just can't keep up with her crazy travel schedule... It was never as serious as it looked."

Matt Kemp was Rihanna's first boyfriend since splitting from Chris Brown in 2009.