Best Buddies?!

Beyonce Knowles and Gwyneth Paltrow: Best Buddies?Gwyneth Paltrow has struck up a close friendship with Beyonce Knowles, after she and husband Chris Martin joined the R&B star's boyfriend Jay-Z on stage for a performance.The Shakespeare In Love actress and Knowles' partners are work colleagues and friends and introduced the two women.Earlier this week, the pair spent hours shopping in