Paul McCartney Performs at Bowery Ballroom in NYC - See All the Stars in Attendance!

Robert De Niro, 81, and girlfriend Tiffany Chen, 45, have date night away from baby at Paul McCartney concert

Sir Paul McCartney is supported by wife Nancy as she makes a discreet exit from his surprise concert in NYC

Emma Stone, Tom Hanks, More Celebs Attend Paul McCartney's 2nd Surprise Concert