▲In February 2017, Demi executive-produced the documentary 'Beyond Silence,' which follows the lives of three people who suffer from mental health issues, including bipolar disorder, schizophrenia, depression, and anxiety.

▲The singer has been very outspoken about her struggles with mental health issues and drug and alcohol addiction, and the film focused on how important it is to speak out in order to be healthy.

▲In March 2017, she featured in Cheat Codes' massive hit song 'No Promises.'

▲In May 2017, the pop star announced the launch of her Fabletics sportswear line.

▲The collection was created to support the United Nations' initiative, Girl Up.

▲In July 2017, she released her single 'Sorry Not Sorry,' off of her sixth album.

▲Demi promoted 'Sorry' at the MTV American Music Awards and the Video Music Awards, where it was nominated for Song of the Summer.

▲The song became her highest-charting single in the United States, making it to the top 10 in charts all around the world.

▲Demi's sixth album 'Tell Me You Love Me' was released on September 29, 2017, and it debuted at number three on the US Billboard 200.

▲The album received positive reviews from critics in general, with some even naming it the best album of her career.

▲In October 2017, the pop star unveiled a new documentary titled 'Demi Lovato: Simply Complicated' on YouTube.

▲The film offered an honest glimpse into Lovato's life and her battles with addiction, depression, bulimia, and self-harm.

▲Also in October 2017, the singer announced tour dates for the North American leg of her Tell Me You Love Me Tour, with guests DJ Khaled and Kehlani.

▲Lovato had the honor to be picked as one of Time Magazine's 100 Most Influential People of 2017.

▲The hitmaker was praised for being vocal about her bipolar disorder diagnosis and inspiring others, particularly youngsters, to do the same.

▲In November 2017, Lovato released the hit tune 'Échame la Culpa,' with Latin superstar Luis Fonsi.

▲On February 26, 2018, Lovato kick-started her US tour with a show in San Diego, California.

▲On March 24, 2018, the young activist performed at the March for Our Lives anti-gun violence rally in Washington, D.C.

▲Her song 'Solo,' with group Clean Bandit, became her first number one hit in the UK.

▲Lovato collaborated with fellow pop star Christina Aguilera for her new track 'Fall in Line.' The two performed it at the 2018 Billboard Music Awards.

▲The star was nominated at several awards shows, including the Grammys (for her previous album 'Confident'), the Billboard Music Awards, and the VMAs.

▲On June 21, 2018, Demi Lovato released the single 'Sober,' a dark piano ballad in which she apologizes to everyone in her life for relapsing after being sober for six years.

▲The former Disney child star first debuted the song during her concert at the Rock in Rio festival in Lisbon, Portugal, only three days after its release.

▲Then came her relapse. On July 24, 2018, it was reported that emergency services were called to Lovato's Hollywood Hills home after she suffered an overdose.

▲The singer was reportedly found unconscious by her assistant, and later revived with the use of Narcan, a drug that reverses opiate overdoses.

▲She was taken to Cedars Sinai Medical Center, where she remained hospitalized. There was an instant outpouring of support on social media from fans and friends, including Ellen DeGeneres and Nick Jonas.

▲TMZ said that the drug dealer who Lovato texted and asked to go to her house that morning gave her "dirty drugs from Mexico." They were allegedly laced with fentanyl, the same drug that killed Prince.

▲Lovato subsequently underwent mental health and addiction treatment with rehab specialists for a few months.

▲In November 2018, three months after her overdose, Lovato was spotted out of rehab.

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On July 24, 2019, Lovato celebrated one year of sobriety. She and a big group of her friends went out to dinner, marking a huge moment in the star's life.

▲After leaving treatment, she established a simple and healthy routine of working out at least four times a week, eating healthy food, and going to therapy. Lovato is giving herself a break from her hectic life, for now at least.

▲Lovato took hold of this chance to start over and cut out all the negative influences in her life, sources told E! News.

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Demi Lovato's life has been engulfed in drama and tragedy ever since the singer released her song 'Sober' in June 2018, in which she admitted that she had fallen back into addiction after six years of sobriety. Then on July 24, 2018, the pop star was rushed to the hospital following a near-fatal overdose. It was a relapse that could have ended everything. But she was given a second chance.

Yet getting to this point has certainly not been easy, and all throughout her struggles she was an extremely busy celebrity, invested in music, activism, and many other endeavors. Check out this gallery to see the roller-coaster ride of Demi Lovato's past few years.