LOS ANGELES, CA - MAY 13: (L-R) Yolanda Hadid and Ally Hilfiger attend Ally Hilfiger's book signing for 'Bite Me: How Lyme Disease Stole My Childhood, Made Me Crazy, And Almost Killed Me' at Barnes & Noble at The Grove on May 13, 2016 in Los Angeles, California. (Photo by Tibrina Hobson/Getty Images)
