Whether you attended the Monday, Sept. 29 Paul McCartney concert at Acrisure Arena or not, you likely missed these celebrity sightings.

Alongside Wickens, McCartney was backed by the Hot City Horns brass section and his venerable band, including guitarist Rusty Anderson, guitarist-bassist Brian Ray, and drummer Abe Laboriel Jr., the last of whom performed a delightful rendition of the Macarena on “Dance Tonight,” a 2007 single from McCartney’s Memory Almost Full solo album.

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!

Cue the high-pitched screams of fans, and for a moment, it was like being transported back to seeing the 21-year-old Beatle on “The Ed Sullivan Show” on Feb. 9, 1964, instead of McCartney solo in Palm Desert on Monday, Sept. 29.

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 paid tribute to John Lennon at his Santa Barbara show on Friday, Sept. 26, by performing Lennon's song "Help!" for the first time in 35 years. He also sang a duet with audio and video of the late Beatles member for "I've Got a Feeling.