Demi Lovato is thanking fans for their support ahead of the release of her YouTube Originals docuseries, , out March 23, and her album, , set to coincide with the doc, out April 2.Lovato took to social media to share that her heart is «overwhelmed» by all the support she's received over the last 24 hours following the series premiere at SXSW Tuesday night.«Thanking God for all the love and support I've felt from my fans, friends and family over the past 24 hours,» she wrote on her Instagram