Was David Bowie's bum-boy!
They were caught by Angie Bowie more than once, and seen together many times by other notables.
This says it all (apart from the really gay 'Dancin' in the Street' video!)-
https://imagetwist.com/2acpiyheaif8/music_-jagger-david-bowie-2.png
Lennon's views on Jagger - https://www.youtube.com/watch?v=mZHseVy5P10