The pair were spotted at night three of the singer's Wembley takeover
It is due to go to auction today
Other famous guests included Jon Bon Jovi, Cate Blanchett, Ellie Goulding and more
"Mexican audiences are so special," McCartney said in a statement
He also recalled that other attendees included Ringo Starr, Meryl Streep, Bruce Springsteen and more
The music icon will return to London and Manchester this winter
Remembering the 1994 Fabs film with director Iain Softley
Tickets go on sale this weekend
To launch his new book, the media legend speaks to NME and recalls his time being mentored (and terrified) by The Rolling Stones, how David Bowie went disguised in public, and Amy Winehouse's final years
Adding on to earlier reports that Paul Mescal was being eyed to portray Paul McCartney