Denise Richards dating Nikki Sixx?

Denise Richards is reportedly dating rocker Nikki Sixx.

According to a source for Us Weekly, Charlie Sheen's ex and the Motley Crue bassist "have been neighbours for years".

"They have a lot in common and are taking things slowly," the insider said.

Richards also previously dated Bon Jovi guitarist Richie Sambora. Sixx was previously married to two Playboy models and was in a brief relationship with Kat Von D.

Sixx and Richards were reportedly seen having breakfast together last Sunday at a café in Calabasas, California.