Gabby is turning 16 and enlists the help of her older sisters to plan her big day. But when Tess and Alexis take control, they start making decisions based on what they want instead of what Gabby wants. Will their sweet little sister feel left out at her own Sweet 16 party? Meanwhile, things heat up when Tess falls hard for a rocker, and Alexis' lawyer advises her to tone down the party girl image. And as her court case continues, Alexis is confronted at Gabby's party by one of the victims of the bling ring.