Mariah Carey
Mariah Carey and Nick Cannon Tumblr

When Mariah Carey posted a cleavage shot of herself wearing just a racy bra and little else for her husband Nick Cannon, some questioned why she would post such an intimate picture on Twitter for the world to see. Now, some reports claim that it was an attempt to dispel rumors that the couple is cheating on each other.

Earlier this week, the National Enquirer contacted reps for the pair, after claims that they are heading for divorce. Carey’s rep denied the claim, then the songstress proceeded to post the personal picture shortly after.

“Happy birthday to my Hubby @NickCannon…”my baby I’m waiting on youuuu hahaha! KKLB! GHL!!! Mwah!!!!” the photo caption said. It was for Cannon’s 33rd birthday, which he celebrated Oct. 8.

Carey, 43, and Cannon began secretly dating in 2008 before making their relationship public. They wed within two months of their first date, and renew their vows every year. They now have twins, Monroe and Moroccan.

They seem to have the perfect relationship, but the tabloid claims that is far from the truth, and Carey reportedly hasn't been wearing her wedding ring as of late and getting a little too close for comfort to young men in the music industry.

“All this cavorting around with handsome men has Nick seeing red,” a source said. “He’s about at the end of his rope with Mariah.”

At the same time, Carey is also believed to be concerned about Cannon’s wandering eye, especially since his MTV show “Wild 'N Out” is staffed with gorgeous women.

If they do break up, this would certainly not be the first time a seemingly happy Hollywood couple has split. Last April, fans were shocked when Heidi Klum and Seal, who also renewed their vows every year, announced they were divorcing after seven years of marriage.