4 points: Soon to be 30 years old, she was born in Canada.
3 points: She released her first album in 2008, but only gained worldwide fame in 2012 with a very catchy song.
2 points: The music video for her latest hit stars Tom Hanks and has guest appearance by her fellow Canadian singer and friend Justin Bieber.
1 point: Her initials are CRJ and she really really really really really really likes you.
How many clues did it take you to figure it out? Share your score the comments!
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