It was very romantic. It's all in the song, The Ballad of John and Yoko. If you want to know how it happened, it's in there. Gibraltar was like a little sunny dream. I couldn't find a white suit - I had sort of off-white corduroy trousers and a white jacket. Yoko had all white on.
Jann Wenner, John Lennon (2001). “Lennon Remembers”, p.40, Verso