Paul has remembered John on what would have been his 77th birthday.
The musician wrote he was “reaching out to Johnny on his birthday” in a post on Twitter alongside an old photograph of the pair.
In the black and white snap, Paul is reaching across a recording studio towards Lennon.
Ringo paid tribute with a photo of the pair in their Beatles days alongside the message: “They say it’s your birthday peace and love”.
The Harrison family paid tribute with a photo of John, in 1964.