1. Demetria Devonne “Demi” Lovato is an American singer, songwriter, actress and model who made her debut as a child actress in Barney & Friends.
2. In 2008, Lovato rose to prominence in the Disney Channel television film Camp Rock and signed a recording contract with Hollywood Records.
3. In 2009, Lovato received her own television series, Sonny with a Chance.
4. Her second album, Here We Go Again, was released that July and debuted at number one on the U.S. Billboard 200, and it has been certified gold by the Recording Industry Association of America for sales of over 650,000 copies.
5. Its title track became her first single to break the top 20 of the Billboard Hot 100, reaching number 15, and was certified platinum.
6. Lovato was a judge and mentor on the American version of The X Factor in 2012 and 2013.
7. Her fourth album, Demi and debuted at number three on the Billboard 200.
8. Its lead single, “Heart Attack”, became her second top ten on the Billboard Hot 100.
9. It also peaked at No. 3 in the United Kingdom, becoming her highest charting single and first to break the top 10 in the UK.
10. In 2013, Maxim ranked her 26th on its Hot 100 list and Billboard ranked her second on its Social 50 Artists of the Year list.
11. Outside the entertainment industry, Lovato is involved with several social and environmental causes.
12. The entertainer made her first 40-city national concert tour, Live in Concert, in support of Here We Go Again.
13. That month, Lovato also announced her departure from Sonny with a Chance, putting her acting career on hiatus and ending the series; Her departure led to the spin-off series So Random! with the Sonny cast, featuring sketches from the former show-within-a-show.
14. On June 11, Lovato released an e-book, Demi, on iBooks. Her lead single, “Heart Attack,” debuted at number 12 on the US Billboard Hot 100, with first-week sales of 215,000 copies.