Selena Gomez reveals why she went to rehab in 2014 to Billboard Magazine. Plus if Justin Bieber influenced her new album Revival. Starring Emily Longeretta .br 9 Year-End Albums Were Looking Forward To In 2015▻▻ More Celebrity News ▻▻ Its true that .br Selena Gomez.br Superstar Selena Gomez is opening up about her diagnosis with lupus. The 23-year-old also reveals shes been undergoing chemotherapy to treat the .