By now, Ellie Goulding (Dec. 30) can be seen as an absolute musical powerhouse: with countless hits, including personal faves "Love Me Like You Do," "Burn," and "Lights," it seems like everything Goulding touches turns to glitter, leading her to Grammy nominations and even to sing Prince William and Kate Middleton's first dance song. Starting out professionally while at the University of Kent, the electropop singer has spoken about her DIY approach to jumpstarting her music career, such as entering and winning a college music competition. As a Capricorn, Goulding's success has not just come through talent, but nonstop hard work and the endless motivation that defines the sign.