Demi Lovatowas back on stage Thursday night, a day after revealing she had recently relapsed.

The 25-year-old “Cool for the Summer” singer hit Barcelona, Spain, for the latest stop on her acclaimed Tell Me You Love Me World Tour.

Lovato has longbattled addiction, mental illness and disordered eating– and had been sober for over six years before relapsing. Sheopened up about the incident on Thursday, in the lyrics to her new single“Sober.”

Xavi Torrent/Redferns

Demi Lovato Performs in Concert in Barcelona

The tune didn’t make it into Lovato’s set on Thursday, according to fans online. Butvideo captured and shared toEntertainment Tonightshowed that Lovato did get philosophical about life at one point.

“Life is really, really funny sometimes,” she said. “It can be difficult, but, for the most part, if you do what makes you happy and set yourself free, you’ll live an amazing life.”

Demi Lovato Performs in Concert in Barcelona

In “Sober,” Lovato sings about the guilt she feels about relapsing, asking for forgiveness from her family and from her fans.

Demi Lovato Performs in Concert in Barcelona

“Mama, I’m so sorry I’m not sober anymore / And daddy please forgive me for the drinks spilled on the floor,” she sings on the heartbreaking piano ballad. “And I’m sorry for the fans I lost who watched me fall again / I wanna be a role model, but I’m only human.”

“I’m sorry that I’m here again,” he adds at the end. “I promise I’ll get help / It wasn’t my intention / I’m sorry to myself.”

This isn’t the first time Lovato had relapsed.

In 2011, she entered treatment, where she was treated for bipolar disorder, bulimia, self-harm and addiction. She relapsed after she left the treatment center, then entered a sober living facility for a year.

Last March, Lovato revealed shecelebrated six years of sobriety.

Demi Lovato Performs in Concert in Barcelona

Lovato responded to fan’s questions: “I don’t have to defend anything but it was Red Bull.”

RELATED VIDEO:Demi LovatoLeft the Met Gala Early to Go to AA: I Was ‘So Uncomfortable That I Wanted to Drink’

In September 2017 Lovato was honored with the “Spirit of Sobriety” award at the Brent Shapiro Foundation for Drug Prevention Summer Spectacular in Beverly Hills.

“Every day is a battle,” she said at the time. “You just have to take it one day at a time, some days are easier than others and some days you forget about drinking and using, but for me, I work on my physical health, which is important, but my mental health as well.”

TheTell Me You Love MeWorld Tourcontinues Friday in Madrid, Spain.Additional datescontinue throughout the summer and into the fall.

source: people.com