Popsugar Celebrity Celebrity Facts Celebrities Who Are Middle Children 25 Celebrities You Didn't Know Were the Middle Child 30 September 2018 by Shontel Horne View On One Page Photo 12 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 12 Mia Wasikowska The Australian actress has an older sister named Jess and a younger brother named Kai. Previous Next Start Slideshow Celebrity FactsCelebrity Families