Katherine Schwarzenegger joined Access Daily's hosts Kit Hoover and Mario Lopez to talk about her new book, "Good Night, Sister," which celebrates the bond between siblings. "I wrote this book based off the dynamic of my sister (Christina) and I … that special bond and that relationship," she shared. Plus, Katherine reacts to an Access Hollywood throwback clip of her crushing on now-husband Chris Pratt. "Good Night, Sister" is out now.
