4. Demi Lovato
Demi lovato born Demetria Devonne Lovato started off her career with acting in the television series Barney & Friends. Although years later in 2008 she really got her name out by starring in the Disney channel television film Camp Rock. Then in 2010 she starred in the sequel Camp Rock 2: The final Jam. Lovato’s more recent music has definitely shown she has grown from her Disney Channel ways. After her first album she has released five more including Here We Go again, Unbroken, Demi, Confident, and Tell me you love me.