Rebecca & Stefan dated, Rebecca cheated on him with Sean. Sean has a crush on Juliette. Now Stefan is dating Juliette, (Rebecca's Best Friend) and Rebecca is very mad about it. Stefan hates Rebecca, but is in love with Juliette.
Since Juliette is Rebecca’s best friend, she doesn’t want to hurt her. Though, she cannot deny the feelings she feels for Stefan. Rebecca is very angry that her best friend has betrayed her.