There were several famous faces celebrating with Lance and Michael, including his former bandmates Joey Fatone, JC Chasez and Chris Kirkpatrick, Backstreet Boys singer AJ McLean, Entourage actress Emmanuelle Chriqui, London-born star of The Real Housewives of Beverly Hills Lisa Vanderpump, dancer Cheryl Burke and model and actress Carmen Electra.
Lance and Michael first met in 2010
Kris Jenner, who recently finalised her divorce from Bruce Jenner, attended the nuptials accompanied by her new boyfriend Corey Gamble.
In the run-up to the wedding Lance had been counting down the days till his official union with Michael.
"Is this real life?!" Lance posted alongside a photo showing there was only one day to go until the wedding. "Can't believe in one more day I get to call this gorgeous man my husband!!!"
Lance was also full of excitement on Saturday morning, tweeting: "Today I marry the man of my dreams. He makes me smile; he makes my heart melt; he makes me....me. #LanceLovesMichael