Amy Schumer and Jennifer Lawrence pose backstage with servicemen and women attending the Billy Joel concert at Wrigley Field on August 27, 2015 in Chicago, Illinois.

Jennifer Lawrence at  Billy Joel Concert Backstage - August 27 Jennifer Lawrence at  Billy Joel Concert Backstage - August 27 Jennifer Lawrence at  Billy Joel Concert Backstage - August 27 Jennifer Lawrence at  Billy Joel Concert Backstage - August 27 Jennifer Lawrence at  Billy Joel Concert Backstage - August 27