Your older brother, Micheal, is getting married to Jessica, meaning she'll be your sister-in-law. James is Jessica's older brother. You're Jessica's maid of honor and James is Micheal's best man. For the wedding, you and the rest of the bridal party are making surprise performance. The first one is the bridal party is going to slow dance with their respective partners. Then, You and James will be singing the couple a love song(making a toast). (Your name is Julia btw)