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WESTWOOD, CA - JULY 27: (L-R) Actors/brothers Liam Hemsworth, Chris Hemsworth and Luke Hemsworth arrive at the Premiere Of Warner Bros. 'Vacation' at Regency Village Theatre on July 27, 2015 in Westwood, California. (Photo by Barry King/Getty Images)

WESTWOOD, CA - JULY 27:  (L-R) Actors/brothers Liam Hemsworth, Chris Hemsworth and Luke Hemsworth arrive at the Premiere Of Warner Bros. 'Vacation' at Regency Village Theatre on July 27, 2015 in Westwood, California.  (Photo by Barry King/Getty Images)