Delta Goodrem from Australia

Delta Lea Goodrem (born 9 November 1984) is an Australian singer-songwriter, pianist, and actress. Signed to Sony at the age of 15, Goodrem rose to prominence in 2002, starring in the Australian soap opera Neighbours as Nina Tucker. Goodrem has achieved eight number-one singles and three number-one albums in her home country. As of the late 2000s or early 2010s, she holds the Australian record

Demi Lovato is actress and singer

Demetria Devonne "Demi" Lovato (born August 20, 1992) is an American actress and singer-songwriter. She is best known for her roles as Mitchie Torres in the Camp Rock movies and as Sonny Munroe in Sonny With a Chance. Lovato starred in the 2009 movie Princess Protection Program. Before Disney, she had one of the roles on Barney & Friends.As a solo musical artist, Lovato released her debut album