Selena Gomez reveals battle with Lupus on cover of Billboard Magazine October 9, 2015 4:09 pmHealthJaclyn Diaz13 SHARE [caption id="attachment_2494" align="alignright" width="300"] Light on Lupus: Selena Gomez, 23, opens up about her struggle READ MORE POST TAGS: Billboard MagazineLupuspop musicSelena Gomez