Popsugar Parenting Celebrity Instagrams Katherine Heigl's Back-to-School Song For Her Daughters I'm Cackling at Katherine Heigl's "Embarrassing Cheer" For Her Kids' First Day of School 29 August 2019 by Victoria Messina View On One Page Photo 1 of 13 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by Katherine Heigl (@katherineheigl) on Aug 26, 2019 at 11:05am PDT Share This Link Copy ← Use Arrow Keys → 1 Watch Katherine's Hilarious Back-to-School Cheer Previous Next Start Slideshow Celebrity InstagramsCelebrity FamiliesBack To SchoolKatherine Heigl