DIVORCE
06/27/2011 06:14 pm ET Updated Aug 27, 2011

Mike Tyson Remarries Ex-Wife In Surprise Ceremony

For the second time in two years, Mike Tyson said "I do" to the same woman ... in Las Vegas ... but this time, the "wedding" was MUCH more of a surprise!

TMZ has learned ... Tyson and his wife Lakiha invited hundreds of friends to a joint birthday party they threw for each other at the M Resort ... but the b-day party was merely a cover for a secret vow renewal. 

After the guests arrived to the party, the couple disappeared ... only to remerge behind a massive curtain ... which dropped to reveal both Mike and Lahika dressed in wedding outfits. 

With the crowd completely surprised, the couple proceeded to renew their vows in a traditional Muslim ceremony.

Read more on tmz.com