United Kingdom, May 14 -- Travis Kelce will "never forget" performing with Taylor Swift in London.

The Kansas City Chiefs tight end made a surprise cameo during one of his girlfriend's 'Eras Tour' performances at the city's Wembley Stadium last June during her 'I Can Do It With a Broken Heart' outfit change and he has hailed the experience "unforgettable".

Speaking on his 'New Heights' podcast, Travis said: "I'll never forget being on a stage in front of what felt like a million people."

The 35-year-old sportsman's comment came after his brother and co-host Jason Kelce asked him "what brought" him to London in the past.

Jason, 37, quipped: "Was it love?"

Travis previously revealed it had been his idea to join Taylor on stage, with th...