CHICAGO, IL - AUGUST 19: Emily Ratajkowski and Zac Efron attend the Chicago premiere of "We Are Your Friends" at Showplace Icon Theater on August 19, 2015 in Chicago, Illinois. (Photo by Timothy Hiatt/Getty Images)
CHICAGO, IL - AUGUST 19: Emily Ratajkowski and Zac Efron attend the Chicago premiere of "We Are Your Friends" at Showplace Icon Theater on August 19, 2015 in Chicago, Illinois. (Photo by Timothy Hiatt/Getty Images)