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LILLE, FRANCE - AUGUST 12: Actor Zac Efron and Actress Emily Ratajkowski attend the 'We Are Your Friends' Premiere at Kinepolis on August 12, 2015 in Lille, France. (Photo by Laurent Viteur/Getty Images)

LILLE, FRANCE - AUGUST 12:  Actor Zac Efron and Actress Emily Ratajkowski attend the 'We Are Your Friends' Premiere at Kinepolis on August 12, 2015 in Lille, France.  (Photo by Laurent Viteur/Getty Images)