Demi Lovato Smokes Marijuana Pipe on Weed Day After Revealing Controversial Method of Sobriety Celebrity Instead of cutting all kinds of drugs and alcohol, the 'Dancing with the Devil' singer recently shared on her YouTube docuseries that she abstains from all drugs with the exception of marijuana and alcohol. Apr 21, 2021 AceShowbiz - Demi Lovato is taking part in the 4/20 celebrations after surviving a near-fatal drug overdose. Marking the marijuana-themed holiday, the singer/actress took to her Instagram Story to share a picture of her smoking a marijuana pipe. In the snap, the 28-year-old star was sitting on a hammock with the backdrop of a scenic ocean view while holding what appeared to be a glass pipe made for marijuana consumption. She flashed a smile while wearing a blue denim jacket and matching pants, with a round hat and a pair of round sunglasses. "Happy 420," she captioned it, with her song "California Sober" playing in the background.