(http://www.nypost.com/rw/nypost/2011/06/27/pagesix/web_photos/tyson_and_wife--300x300.jpg)
Mike Tyson and his wife Lakiha Spicer celebrated their birthdays on the same day at a Casino in Las Vegas.
Some 150 guest were invited to the event, which was graced by many celebrities.
But when guests arrived Saturday night at the M Resort Spa Casino, the couple revealed it was actually a renewal of vows, complete with wardrobe changes, a live band, a wedding cake and a candy station.
"Guests were told it was a birthday, but then Lakiha announced that something different was happening. She pulled back a curtain to reveal a wedding setup," a source said.
The ceremony was described as "traditional Muslim," though we're not sure how traditionally Muslim it is to get hitched in a casino, since Islam prohibits gambling.
Another source said "Tyson and his wife looked beatifically happy, holding court" at the dinner.
Spicer and Tyson were married in a quickie private Vegas ceremony two years ago.