After more than a decade of friendship, Gwyneth Paltrow is taking a holiday from Madonna. "Everything always revolved around Madonna," a source close to the Iron Man 3 star, 40, tells Us Weekly. "She is finally done."

PHOTOS: Gwyneth's most obnoxious quotes

Waiting in the wings to replace Madonna, 54? Cameron Diaz! "Gwyneth is a nurturer," a source says of Paltrow, who has been pals with Diaz, 40, for years, but recently upgraded her to BFF status. The Bad Teacher star "is bummed about being single, so Gwyneth sees her as a project."

PHOTOS: How Madonna's face has changed

Find out more about why Paltrow dumped the Material Girl -- and how she aims to find Diaz a man! -- in this week's Hot Stuff video, as explained by Us Weekly Senior Editor Ian Drew, plus special guests Liz Marguiles and Angela Pham from Bravo's Gallery Girls.

PHOTOS: Cameron's hottest body moments

Also in the roundup? Taylor Swift and Conor Kennedy's sweet Friendly's date, why Sofia Vergara doesn't want to get pregnant again and more.

Watch the Hot Stuff video now!

This article originally appeared on Gwyneth Paltrow Dumps Madonna, Makes Cameron Diaz New BFF