Finley is part of the England Junior `Supporters Club and was one three kids to be chosen to stand on the hallowed turf at Twickenham to represent England as their mascot.
He ran out of the tunnel hand in hand with England Captain Dylan Hartley after which everyone paid their respects to those that had fallen in battle.
Fin then lined up with the team, with Dylan behind him they all belted out the national anthem, watched by eighty thousand spectators and millions more on TV.
It was an amazing moment and an unforgettable day for Fin and his family, as what was the best bit, Fin replied "All of it"