McCartney fans are saying it felt like they had won the golden ticket, when they had the chance to see Paul play a secret show at The Cavern Club.
Fans tuned into Twitter to find out that the famous musician would be playing a special show at the legendary venue where The Beatles had played in their early days.
Paul has been spending lots of time in his hometown of Liverpool as of late.
He's also gearing up to release another solo album, ''Egypt Station'', in September.