Wedding Revenge

Alexandra has been planning the wedding of her dreams since she was 7. And she wanted her 8 closest friends to be to be there as her bridesmaids. She's super excited when her boyfriend of 6 years finally proposes, she immediately tells her friends. Best friends Lilly and Delaney couldn't be happier, as well as 5 other friends. But 1 friend isn't so happy about the proposal. But she won't tell Alexandra that. But what happens when Alexandra finds out that her now fiance and one of her closest friends since childhood have been sleeping together behind her back?