NFL superstar Travis Kelce has finally confirmed his split with longtime girlfriend Kayla Nicole -- but insists it's NOT because he cheated with a "Becky."
As we previously reported, Kayla unfollowed the KC Chiefs TE on Instragram last week and scrubbed her profile of all traces of Kelce ... typically a sign of a break up.
Kelce just made the news official in a tweet late Tuesday night ... clapping back at a social media post that he was "caught w/ a Becky" -- AKA, a white chick.
"This is fake news .