Jason Kelce confesses he felt “emasculated” when he met British royal family member Prince William at an Eras Tour show. So many big-name celebrities have shown up to enjoy Taylor Swift conquering crowds at the Eras Tour, from the likes of English actor Hugh Grant to The Beatles legend Paul McCartney. On an episode of New Heights, Travis Kelce, along with his brother and co-host Jason Kelce, discussed how great it was to attend one of the 34-year-old icon’s recent concerts at Wembley Stadium in London. Now, the Kansas City Chiefs and Philadelphia Eagles stars may be NFL royalty, but they got t…