Paul McCartney has penned some of music's most legendary songs, but there's one Beatles hit he can't stand. The reason why will leave you stunned.

Paul McCartney thrilled fans by performing a Beatles classic live for the first time in 35 years during a concert in California last night.

Taking the stage in front of an audience that included Neil Young, Bernie Taupin, Mark Hamill, Don Johnson, Rita Wilson and Olivia Harrison, Paul McCartney kicked off his two-hour performance with a lively version of the Beatles' early hit "Help!

Breaking from tradition, Paul McCartney performed this John Lennon-penned Beatles hit for the first time in 30 years.

No matter their age or generation, fans of Paul McCartney had a unique story to share about the English singer's impact ahead of his Sept. 29 show.