Elena Alexandra Apostoleanu ; born October 16, 1986), better known simply as Inna, is a Romanian singer and dancer. Her music is written by Play & Win members,Sebastian Barac, Radu Bolfea and Marcel Botezan. She is best known for becoming the first European female singer to surpass one billion total views on YouTube, having accomplished this milestone on February 2012.Inna's debut studio album, Hot, was an international success, appearing in many record charts around the world, and particularly popular in the United Kingdom where it reached number one. The album's lead single of the same name also charted worldwide, topping in 2009 a United States year-end chart. The song won the award for the MTV Europe Music Award for Best Romanian Act at the 2009 MTV Europe Music Awards. It got Gold music recording sales certification in Italy, 3× Platinum in Norway and Platinum in Spain.
Demetria Devonne Demi Lovato (born August 20, 1992) is an , and songwriter who made her debut as a child actress in Barney & Friends. In 2008, Lovato rose to prominence in the Disney Channel television film Camp Rock and signed a recording contract with Hollywood Records. She released her debut album, Don't Forget, that September; it has been certified gold by the Recording Industry Association of America (RIAA) for sales of over 530,000 copies. In 2009, Lovato received her own television series, Sonny with a Chance. Her second album, Here We Go Again, was released that July and debuted at number one on the U.S. Billboard 200; its title track became her first single to break the top 20 of the Billboard Hot 100, reaching number 15, and being certified Platinum. After the release of additional television films and their soundtracks in 2010, Lovato's personal issues put her career on hiatus and ended Sonny with a Chance after its second season. Her third album, Unbroken (2011), addresses several of her difficulties. Its lead single, "Skyscraper", became Lovato's first single at the time to be certified platinum in the United States; its second single, "Give Your Heart a Break", was certified triple platinum. Lovato was as a judge and