Answer:

stunner

Answer	Crossword Clue
STUNNER	Striking beauty
STUNNER	Really brilliant achievement
STUNNER	Knockout

STUNNER	Beauty
STUNNER	Handsome girl.
STUNNER	Knockout.
STUNNER	This is astounding
STUNNER	Gorgeous creature
STUNNER	Major upset
STUNNER	Big surprise
STUNNER	Head turner

STUNNER	Shocking development
STUNNER	Hottie