 With urging from his grandmother and Sammy, Robbie goes to the airport and gets on the next plane to Vegas ("Move That Thang").With the help of a group of Vegas impersonators (Billy Idol, Mr. T, Ronald Reagan, Tina Turner, Cyndi Lauper, Nancy Reagan, and Imelda Marcos), Robbie crashes Julia's and Glen's wedding at the Little White House Chapel and sings his new song to Julia ("Grow Old With You").Glen is outraged that Robbie and Julia still have feelings for each other and blurts out that he cheated on Julia with hundreds of women.