Bride Margo struggles to get her twin sister's approval of her dresses; Brenda needs all four of her sisters to agree with her dress choice; Amy worries her twin sister will think her dress is too revealing.

Bride Lauren loves dressing sexy, but she wants a gown that still feels bridal; Ali wants to look like Beyoncé on her big day day, and needs a dress with tons of sparkle; Blair hopes her grandmother approves of her sexy dress.