United Kingdom, Sept. 30 -- Graham Norton has teased that "one big star" attended Taylor Swift and Travis Kelce's wedding who hasn't been publicly identified.

The 63-year-old talk show host was among the guests at the lavish nuptials at New York's Madison Square Garden and revealed he was approached by the unidentified man, who he described as his "white whale", referring to a dream guest for his eponymous programme who has never appeared.

Speaking on the Wanging On With Graham Norton and Maria McErlane podcast, he told his co-host about the "one big star" he chatted with.

He added: "But I can't tell you who it was.

"Because I would have to tell you that they were at the wedding, and I don't think I've seen their name anywhere. So I'm...