Influencer Kat Stickler has something to say about her relationship status after her recent dates with John Mayer. "Kat, are you single?" an off-camera friend asked Stickler, 30, in a Tuesday, October 14, TikTok video. Stickler, for her part, quickly shut down any questions about whether she had a new man. "Yeah, I already told you [that I'm single]," she said while putting on earrings. "I cut all my hair off - out of the blue one day. You think I just did that for no reason? It holds memories.