Demi Lovato reflects on what would have been her 7th Sober Anniversary March 16, 2019 Ausadmin Celebrity News and Gossip Demi Lovato reflects on what would have been her 7th Sober Anniversary Demi Lovato is marking an almost anniversary. In a series of Instagram Stories, the “Cool for the Summer” singer revealed that she would have been seven years sober on March 15.