(USA TODAY) -- A billboard for a plastic surgery center stating, "Friends don't let friends muffin top was scrawled over with the words, "You're beautiful!" this past weekend.
The billboard in Jackson, Mich., for Ann Arbor Plastic Surgery shows two muffins in blue jeans.
The Jackson City Police Department is still investigating who is behind the vandalism, according to a police report.
The plastic surgery center defended its ad on July 29 on Facebook, saying "Our ads were meant to emphasize the lighter side of plastic surgery, and were certainly not targeted at one particular group or body composition."
And the online reaction to the ad has been split between support and disapproval.
The center posted a picture of the billboard, pre-vandalism, on Facebook in May. In a comment on the picture, Ann Arbor Plastic Surgery said, "This ad is not to offend anyone. It's simply to get people to chuckle."
One commenter said, "LOL! I like it!"
But not everyone saw the billboard as humorous.
"If this was supposed to make people chuckle, you have NO EMPATHY!" one person wrote.
"I will see the lighter side when you stop making signs that destroy the confidence of our community," wrote another commenter.