United Kingdom, Jan. 3 -- Tom Brady and Alix Earle had an "instant connection".

The 48-year-old former NFL player and the 25-year-old TikTok star were spotted getting close at a New Year's Eve (31.12.25) party in St. Barths and friends say had a "lot of chemistry".

A source told Us Weekly: "Alix and Tom were together the entire night on New Year's Eve partying at a party hosted by Palm Tree Crew in St. Barths. They met through mutual friends who were also in St. Barths and had an instant connection. There was a lot of chemistry between them."

The source added that Tom was "hesitant" about being seen together in public "but didn't want to leave her side", while "Alix was really into hanging out" with Tom but isn't looking for "anything ...