In a year filled with major pop culture milestones -- from Fifty Shades of Grey's newly-minted stars to hunky scion Scott Eastwood to Robin Thicke's superstar moment -- these celebrities rose to the top for the first time -- see Us Weekly's roundup of 2013's biggest breakout stars
Kiwi Wunderkind! The New Zealand-born singer-songwriter was just 16 years old when her hit single "Royals" and accompanying debut album Pure Heroine stunned critics and the music industry. She even picked a few fights with other pop stars like Selena Gomez and Katy Perry.
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