SISTER, SISTER: “You are the sister I’ve always wanted, and I am so lucky to be able to play a sister on ‘Euphoria’ with you and for you to be able to be my best friend,” Sydney Sweeney told Maude Apatow. “It’s such an amazing feeling, because I always had a hard time having girlfriends. You’re just everything to me.”
Apatow had introduced her costar onstage at Elle’s Women in Hollywood Celebration dinner. Sweeney…