Luck Mecklenburgh is NOT happy with her man at the moment

TOWIE star Lucy Mecklenburgh became the envy of women everywhere last week when her gymnast boyfriend Louis Smith posted a picture of the pair flashing their perfectly toned bums for the camera.

The photo was taken after last week's BAFTA Awards and appeared on Louis' Instagram page soon after with the caption, "Who has the better derrière? Me or @lucymeck1 haha #battleofthebutts."

Now, Lucy has revealed her boyfriend posted it without her permission, giving her a bit of a shock when she checked her notifications the next morning.

"We took the photo after the BAFTAs in the hotel," she told Mirror Celeb this week, adding that it was meant to be just a bit of private fun between the couple, who have been dating since December 2014.

"We'd just got back and we'd had a couple of drinks and we were just messing around. I didn't know he was going to post it the next day. But he's quite like that" she admitted.

Lucy seems to have seen the funny side by now, as the photo still appears on Louis' feed, with over 5,000 likes and counting. However the reality star said she was far from happy at first.

"Louis got in trouble for that. By both of us, " she said, pointing to her agent who stood beside her.

Whatever about a cheeky bum selfie, Lucy says she has plans for bigger and better revenge on her man. "I'm going to get him back though, don't worry, I'm working on it," she revealed.

Hmmm… we wonder what could top that!