Lady Gaga’s best friend dies of cancer Well, here is a non- Ariana Grande story and surprise surprise it is more bad news. Like my father-in-law, Lady Gaga’s friend has died due to cancer. HERE is the article. Lady Gaga SHARE RELATED CONTENT Demi Lovato’s alleged drug dealer speaks on the overdose. Drake visits 11-year-old awaiting heart surgery. Emergency landing for Post malone! How much $ does Britney Spears have to give K-fed monthly? So, we think we know what Demi Lovato overdosed on. Ellen invites Demi Lovato to appear on her show post rehab.