Thick & Thin (2006)

For two best friends, Kathy and Selena couldn't seem more different. Kathy is confident, mysterious and alluring, while Selena is shy and inexperienced, forever standing in Kathy's shadow. However, when Selena is invited over the Kathy's house for the first time, hidden parts of Kathy's life are revealed, and her wall of confidence begins to crack. As brewing tension leads to a bitter face off between the girls, Kathy and Selena must choose between saving face and saving their friendship.