Things are heating up between John Mayer and Kat Stickler! Back in October, the 48-year-old singer sparked romance rumors with the 31-year-old influencer after they were spotted out on a few dates in New York City. A source for Us Weekly claimed he pursued her, and she "thought it would be fun to date again" after getting out of a months-long relationship. They added: "He has been actively pursuing her, inviting her places and texting her often. She is interested and seeing where it goes.