Answer:
I live above a star who never burns. I have 11 neighbors but they never turn. My initials are p q r and sometimes s.
You use me between your head and your toes the more I work the thinner I grow.
I am the signature stroll of ducks and penguins
What has a head and a tail, but no body or legs?
Iβm grown from darkness but shine with a pale light. Very round I am and always a lady's delight.
I flow from the Homerβs mouth when he sees doughnuts.