New BFFs Jessica Simpson and Billy Corgan apparently love nothing more than playing chess together.The singer and reality TV star, who denied she is dating the rocker recently after they worked together on the theme to her 'Price of Beauty' series, is now hooked on the game."He taught her how to play and was surprised at how quickly she got the hang of it, but she is yet to beat him.

"A source close to the musicians revealed.The insider also added to the National Enquirer that Corgan has even been teaching Jessica how to play guitar. "Billy likes to share his hobbies with his friends."Simpson recently said she isn't wild enough to join Corgan's band the Smashing Pumpkins, but she did describe Billy as being a "loyal friend".