Celebrity·Posted on May 11, 2021John Mayer Said He Cares For Cazzie David A "Great Deal" In A Sweet Birthday Post"I care for you a great deal!"by Alex GurleyBuzzFeed ContributorFacebookPinterestTwitterMailLink John Mayer is adding fuel to the fire of those Cazzie David dating rumors. Slaven Vlasic / Getty Images Just a week after the pair were spotted getting dinner with friends, John took to Instagram to post a cute birthday message for Cazzie. Filmmagic / FilmMagic for HBO "Happy birthday @cazziedavid. I care for you a great deal! Enjoy your special day," John captioned a scenic photo that he had taken of Cazzie in front of a mountain range. @johnmayer / Via Instagram: @johnmayer Cazzie, who is the daughter of Larry David, reposted the message to her Instagram stories but didn't include any additional commentary. View this photo on Instagram @cazziedavid / Via instagram.com While a source told E! News that they believe John is single and there was nothing romantic to the dinner date earlier in the month, the duo do have a lot of history. Frazer Harrison / Getty Images for The Recording Academy John and Cazzie have been friends for quite some time, and she even appeared on his Instagram Live talk show, Current Mood, back in 2018. View this photo on Instagram @johnmayer / Via instagram.com Not to mention the fact that Cazzie asked John plenty of questions about his dating life during the episode. And on top of that, the friends are clearly hanging out off of social media, based on the photo John shared in his birthday message. @johmmayer / Via instagram.com Neither Cazzie nor John have spilled about their dating lives recently, so only time will tell the extent of their relationship!