Demi LovatoDate of Birth: August 20, 1992Birth Location: Dallas, Texas, USABirth Name: Demetria Devonne LovatoNickname: DemiHeight: 5′ 3″ (1.60 m)Zodiac Sign: LeoProfession: Actor, Singer, Songwriter, Dancer

Demetria Devonne “Demi” Lovato (born August 20, 1992) is an American actor, singer and songwriter. She is a singer and songwriter as well as a musician, playing guitar and piano since the age of eleven.

Lovato was born in Dallas, Texas to Patrick Lovato and Dianna (Née Hart). She is of Hispanic, Irish and Italian descent. She has two sisters: Dallas Lovato, who is also an actress and singer and is five years older than Demi; and Madison DeLaGarza her half-sister, who is ten years younger than Demi. Her mother, Dianna Hart, was a Dallas Cowboys Cheerleader and country recording artist; her father, Patrick, moved to New Mexico after their marriage ended in 1994. He suffered some health problems and rarely sees Demi. But, the father and daughter saw each other for the first time in four years with a surprise visit in February 2008 by Demi. She is currently home schooled by a tutor due to her career.

CareerDemi Lovato started acting at the age of six, when she landed her first series regular role as Angela on Barney & Friends. As time went on Lovato pursued her singing and instrumental career, and she guest starred on Prison Break, Split Ends (pilot) and Just Jordan. In January 2007 she landed a series regular role as Charlotte Adams on the Disney Channel original short series As the Bell Rings, which premiered on August 26, 2007 during Disney’s Back-to-School special night. She will soon be starring in a new Disney Channeloriginal series called Welcome to Holliwood that begins production in September 2008. Lovato also stars in the Disney Channel Original Movie Camp Rock as Mitchie Torres, which premiered on June 20, 2008. Lovato had opened for the Jonas Brothers on their summer 2008 Burning Up Tour. She also attended the Disney Channel Games 2008 in spring.Her good friends, the Jonas Brothers, have also written songs along with Lovato for her debut album, according to USA Today. Lovato covered the Academy Award nominated song “That’s How You Know” from Enchanted on DisneyMania 6. Lovato was also voted #2 Hottest Stars in BOP Magazine in September 2008.She is best known for her role as Mitchie Torres in the Disney Channel Original Movie Camp Rock and for her role as Charlotte Adams in the short five-minute Disney Channel series As The Bell Rings. Her debut album, Don’t Forget was released on September 23, 2008.In January 2013, it was reported that Lovato had been living in a sober-living facility in Los Angeles for more than a year because she felt it was the best way to avoid returning to her addictions and eating disorder.

Personal struggles

Lovato had experienced depression, an eating disorder and self-harm before going into rehab in November 2010. On 30 October 2010, Lovato withdrew from the Jonas Brothers Live in Concert tour, entering a treatment facility for "physical and emotional issues". It was reported that she decided to enter treatment after punching female backup dancer Alex Welch, which led to an intervention by her management and family, and she took "100 percent, full responsibility" for the incident. On January 28, Lovato completed inpatient treatment at Timberline Knolls and returned home, acknowledging that she had had bulimia, harmed herself and was "self-medicating" with drugs and alcohol "like a lot of teens do to numb their pain". She added that she "basically had a nervous breakdown" and was diagnosed with bipolar disorder during her treatment. Lovato later admitted that she had used cocaine several times a day and smuggled cocaine and alcohol onto airplanes. In April she became a contributing editor for Seventeen magazine, describing her struggles. In March 2012, MTV aired a documentary (Stay Strong) about Lovato's rehab and recovery, and she began work on her fourth album the following month.Her Achilles heel is Demi's capacity for an egocentric attitude.She has an impressive personality and can influence and even intimidate through sheer force. She has natural authority.she is very Social and Friendly and puts others before herself. 

InfluencesLovato has listed Kelly Clarkson, Christina Aguilera, Aretha Franklin, Gladys Knight, Mariah Carey, Billie Holiday and Britney Spears among her musical influences. About Gilman she said, "We had the same voice range when I was young. I would practice to his songs all the time." Lovato listened to metal music in her teens, and has said that John Mayer's songwriting has been a "huge influence" on her.

VoiceLovato is a full lyric soprano. She has a vocal range of three octaves, a semitone, and the whistle register.

Beliefs

Lovato is a Christian, praying with her band before they perform,[14] and an active supporter

of gay rights.

she isn't superficial, she is very deep (emotionally).