Kelce, 34, erupted in anger during Sunday's match after his teammates fumbled a pass made by quarterback Patrick Mahomes.
The tight end then body slammed his 65-year-old coach, causing him to momentarily lose his balance, grabbed his arm and began shouting at him - as his pop star girlfriend Taylor Swift watched from the $1million family suite at Allegiant Stadium in Las Vegas.
MailOnline can now reveal that Kelce shouted at Reid: 'Keep me in. You f****r! I'm calm now!'
Just seconds after the heated exchange, Kelce was pulled away by his teammate Jerrod McKinnon.
Kelce, refusing to discuss the altercation in detail, told the media in the aftermath of the team's victory that his rage was down to the fact that he 'wanted the score to be different' and that Reid is 'one of the best leaders of men I've ever seen in my life.'
Lip readers have revealed to MailOnline the choice words that Travis Kelce shouted at Kansas City coach Andy Reid during his shocking Super Bowl meltdown last night
Kelce, 34, erupted in anger during Sunday's match after his teammates fumbled a pass. The tight end then body slammed his 65-year-old coach, causing him to momentarily lose his balance, grabbed his arm and began shouting at him
Kelce's pop star girlfriend Taylor Swift , accompanied by her friends Ice Spice and Blake Lively, watched the match from the $1million family suite at Allegiant Stadium in Las Vegas
Kelce was apparently unhappy about not being on the field when Isiah Pacheco fumbled the ball with the Chiefs eight yards out looking for their first touchdown.
Approaching from the side, cameras caught Kelce storming towards Reid and bumping into him, causing him to temporarily lose his footing. The pair's interaction set off a social media firestorm as viewers speculated about what was said.
But Kelce, speaking to reporters after the Chiefs' dramatic 25-22 win, refused to share. He said: 'You guys saw that?
'I'm going to keep it between us unless my mic'd up tells the world. I was just telling him how much I loved him.'
He also had nothing but praise for his long-term coach, adding: 'He's one of the best leaders of men I've ever seen in my life.
'And he's helped me a lot with that, with channeling that emotion, with channeling that passion. I owe my entire career to that guy and being able to kind of control how emotional I get and just love him.'
Reid also played down the altercation, claiming that Kelce just wanted to be on the field.
'He caught me off balance. I wasn't watching. He was really coming over [and saying], 'Just put me in, I'll score. I'll score.' So, that's really what it was. I love that. It's not the first time. I appreciate him.'
'The part I love is he loves to play the game and he wants to help his team win. It's not a selfish thing. That's not what it is. I understand that. As much as he bumps into me, I get after him and we understand that. He just caught me off balance.'
Kansas City Chiefs tight end Travis Kelce (87) runs after a catch against Kansas City Chiefs safety Chamarri Conner (27) during the second half of the Super Bowl on Sunday
Kelce's girlfriend Taylor Swift is seen biting her nails during the fourth quarter of the incredibly close Super Bowl match between the Kansas City Chiefs and San Francisco 49ers
The Kansas City Chiefs became the first back-to-back Super Bowl winners in 19 years. Kelce is pictured celebrating with his trophy after the team's overtime win
The Kansas City Chiefs last night became the first back-to-back Super Bowl winners in 19 years with a 25-22 overtime win over the San Francisco 49ers in Las Vegas.
Needing a field goal to extend the game or a touchdown to win, Mahomes orchestrated the match-winning drive to end the game with a touchdown pass to Mecole Hardman Jr.
The 49ers were leading by three in overtime after they opted for a field goal to go ahead 22-19, but were unable to get the decisive stop.
It was the second time in NFL history a Super Bowl went to overtime and the first post-season game decided under the league's new overtime rules.
The only points in the first quarter came through kicker Jake Moody, who made Super Bowl history with the longest made field goal at 55 yards.
Disaster struck 49ers' linebacker Dre Greenlaw early in the second quarter when he went down with a suspected Achilles injury while running onto the field and was immediately ruled out of the game.
But not long after, a special trick-play led to the first touchdown of the game, with Purdy passing across field to wide-receiver Jauan Jennings before he threw a pass to Christian McCaffrey who ran through to the endzone untouched.
The 49ers restricted Travis Kelce to just one touch for one yard in the first half and sacked Mahomes twice, with the 49ers ahead 10-3 at halftime.
As play resumed, Chiefs kicker Harrison Butker broke Moody's Super Bowl record with a 57-yard field goal before a fumble error gave the Chiefs a huge chance for their first touchdown.
Mahomes found wide-receiver Marquez Valdes-Scantling with a 16-yard touchdown pass to take the lead for the first time in the game late in the third quarter.
However the 49ers hit back – with Purdy finding Jennings this time to score his own touchdown – however the bonus point was blocked, giving the 49ers a three-point lead with 11 minutes left.
A field goal to Butker tied the game once again, before Moody struck back to give the 49ers the lead again with less than two minutes left.
However, Butker finished regulation time with a field goal with six seconds left to tie the game 19-19.