Heidi and Spencer tie the knot, Kristin catches the bouquet, and Lauren slips away.
Playlist
Lauren and Lo reminisce on the past and decide to throw one last party in their house.
Lauren looks to Kelly Cutrone for career advice and Holly bursts into tears at Heidi and Spencer's rehearsal dinner.
Heidi and Spencer prepare to say "I do" and two unexpected guests make an appearance at the ceremony.
Heidi and Spencer tie the knot, Kristin catches the bouquet, and Lauren slips away.
