Mariah Carey posts saucy birthday shot on Twitter for husband - and 13 million fans

Mariah Carey gave her husband Nick Cannon an eye-popping birthday treat on Tuesday (08Oct13) by posting a close-up of her cleavage on Twitter.com.

Her 13 million followers were also left titillated by the sexy 'selfie' snapshot, in which the singer fondled her ample breasts while wearing an unbuttoned white shirt and a black lacy bra.

The saucy photo was accompanied by a caption that read: "Happy Birthday to my Hubby Nick Cannon. My baby I'm waiting on youuuu hahaha!"

The loved-up couple wed in 2008 and the Cannons are the proud parents of twins Monroe and Moroccan.