Lovato, who also treated herself to a spa trip over the weekend, has yet to comment on her recovery process following her latest rehab stay.
The 26-year-old entertainer was spotted out of rehab and dining with a male friend at Matsuhisa restaurant on Saturday night (November 3) in Beverly Hills, Calif. She was transported to a hospital, where she spent almost two weeks before beginning a 90-day rehab program in the beginning of August.
Rapper Mac Miller died of accidental overdose of fentanyl, cocaine: Coroner
Miller, whose full name is Malcolm James McCormick, had battled with substance abuse for years, according to several reports. He was found at his home in San Fernando Valley earlier this year, and was reportedly pronounced dead at the scene.
"Yes, she has 90 days and I couldn't be more thankful or more proud of her because addiction being a disease, it's work", she said October 27.
"She just got back to L.A. a couple days ago", a source tells People.
Demi's visit to LA comes after it was reported that she is considering not returning to the Southern California city permanently. "She seems to be doing well so far".
"She seemed happy and healthy", the source continued. What I've learned is that this illness is not something that disappears or fades with time.