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 17 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 17 Lily Allen Lily is one of four and has one older sister named Sarah, younger brother Alfie, who is a successful actor, and little sister Rebecca. Previous Next Start Slideshow Celebrity FactsCelebrity Families