"You're Sixteen" singer (5)
I believe the answer is:
starr
'you're sixteen singer' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for starr that I've seen before include "English rock star and drummer, b. 1940" , "Freddie . . . . . Ate My Hamster" , "Ringo - (The Beatles)" , "rush up north" , "Ringo --, drummer" .)