Demi Lovato, born Demetria Devonne Lovato on August 20, 1992, in Albuquerque, New Mexico, is an American singer, songwriter, and actress. She began her career on the children's television series Barney & Friends before gaining prominence for her role as Mitchie Torres in the Disney Channel movie Camp Rock in 2008. Her debut single, "This Is Me," became a hit, reaching number nine on the US Billboard Hot 100.

Her music career took off with the release of her pop-rock debut album, Don't Forget, in 2008, which debuted at number two on the US Billboard 200. She followed this with Here We Go Again in 2009, which debuted at number one on the Billboard 200.

Her third studio album, Unbroken, released in 2011, experimented with pop and R&B and included the US top-ten single "Skyscraper."

In 2013, she released her self-titled fourth album, which included the international top-ten song "Heart Attack." Her fifth and sixth albums, Confident (2015) and Tell Me You Love Me (2017), infused soul and mature themes.

She earned a Grammy Award nomination for Confident, and "Sorry Not Sorry," the lead single from Tell Me You Love Me, became her highest-charting single in the US, reaching number six.

After a hiatus, Demi Lovato released her seventh and eighth albums, Dancing with the Devil... the Art of Starting Over (2021) and Holy Fvck (2022), which marked a return to rock-influenced music.

On television, she starred as the titular character on the sitcom Sonny with a Chance (2009-2011), served as a judge on The X Factor USA, and appeared in various other TV shows and movies, including Princess Protection Program, Smurfs: The Lost Village, and Eurovision Song Contest: The Story of Fire Saga.

She has sold over 24 million records in the United States and has received numerous accolades, including an MTV Video Music Award, 14 Teen Choice Awards, five People's Choice Awards, and a Guinness World Record.