Watch the couple at their bed-in from BBC documentary 'From Liverpool to San Francisco'
The Beatle's widow and son invite the popstar to share the stage at his 70th birthday celebration
Watch Exclusive Clips From the John Lennon Documentary 'LENNONYC' Lennon talks about the break-up of the Beatles and his life afterward, in New York
Gaga sings two songs with Yoko Ono, takes aim at 'Don't Ask, Don't Tell' on 'Give Peace a Chance'
The celebrations of what would have been Lennon's 70th birthday will include a documentary on his years in New York and a Yoko Ono concert with Lady Gaga
'My dad wasn't really a photographer, so it just allows me to breathe a little more,' says Lennon. 'This is my own thing.' Plus: Yoko Ono, Sean Lennon, Patti Boyd at the gallery opening
Yoko Ono describes Iceland ceremony, show with Sean; producer Jack Douglas on a new box set that includes previously unheard home recordings
Beatles reunite onstage as Steven Van Zandt, Yoko Ono and more celebrate the drummer's 70th year
Photographs from November 1980 by Allan Tannenbaum
Dynamic Duos From John and Yoko to Pamela and Tommy
The inside story of the forces that tore apart the world's greatest band