Cameron Diaz going on 'girly' holiday with Cheryl Cole?

Cameron Diaz and Cheryl Cole have apparently decided to go on holiday together.

According to The Sun, the pair have become friends as Diaz enjoys Cole's "dirty" sense of humour.

A source claimed: "Cheryl has a dirty sense of humour and Cameron found her funny.

"They've been planning a girly weekend if they can find a spot in their diaries."

Recent reports have alleged that Diaz is determined to be best friends with the former X Factor judge.

They met on the set of What to Expect When You're Expecting, in which Cole is due to make a cameo appearance.