Has Travis Kelce gained a taste for the finer things in life? According a source, the athlete embraced a less flashy lifestyle before he and Taylor Swift started their whirlwind romance in the summer of 2023. “He used to be much more humble, which was part of his charm,” the source spilled to a magazine. Nowadays, he’s “enjoying life to the fullest” via “traveling by private jet, wearing the occasional bling, buying designer suits and splurging on grooming like he’s Brad Pitt.” However, he’s not just splashing out on himself, as a separate source shared that he spent $75,000 on a shopping spre…