Popsugar Celebrity Demi Lovato Demi Lovato's Mom Dianna De La Garza's Quotes About Overdose Demi Lovato's Mom Breaks Her Silence on the Singer's Overdose: "My Heart Just Dropped" September 22, 2018 by Monica Sisavat Solís First Published: September 19, 2018 View On One Page Photo 2 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Previous Next Start Slideshow Demi LovatoCelebrity FamiliesCelebrity Quotes