Hailee Steinfeld has recently embraced her role as a devoted supporter of her boyfriend, Buffalo Bills quarterback Josh Allen, sharing her experiences in her newsletter, Beau Society. She expressed her excitement for the NFL season and her enjoyment of watching Allen's performances, referring to him as 'JA17' and praising the passionate Bills Mafia fanbase. Steinfeld was present at several Bills games, including a recent 34-28 victory over the Arizona Cardinals, and showcased her support by wearing Bills merchandise. Additionally, she highlighted her partnership with a Buffalo shop selling vintage Bills gear, demonstrating her growing connection to the community. Their relationship has garnered attention, particularly following their public outing in Paris, where they went 'Instagram official'. Steinfeld's candid reflections on both her love for Allen and the Bills fans mark a new chapter in her public persona, as she balances her celebrity life with her personal experiences.