Lorde is the 17-year old singer-songwriter from New Zealand behind the 2013 hit song "Royals". She has received four Grammy nominations for the single, and also for her debut album "Pure Heroine", which hit the shelves in September. "Royals" also made Lorde the first solo artist from New Zealand to reach number one in the United States.

Canadian-American singer-songwriter Robin Thicke earned his way to the top of the music business by helping write hit songs for the likes of Brandy, Christina Aguilera, and Mary J. Blige. He scored his own major hit in 2013 with "Blurred Lines". Thicke has been nominated for three Grammy's and yes, he's the son of TV actor Alan Thicke.