Answer: twinkle

AnswerCrossword Clue
TWINKLE

What little stars do

TWINKLE

Emulate a star

TWINKLE

Look mischievously amused, as eyes

TWINKLE
Star shine
TWINKLE
What stars do
TWINKLEShine, in a way
TWINKLEYou might get one in your eye
TWINKLEAct like a star
TWINKLEGlimmer