Answer:

lulu

Answer	Crossword Clue
LULU	"To Sir With Love" actress
LULU	Beaut
LULU	Corker

LULU	Humdinger
LULU	Opera by Berg
LULU	Oner
LULU	Unfinished Berg opera
LULU	"To Sir With Love" singer
LULU	Berg opera
LULU	She was Little in the comics
LULU	App for rating men

LULU	App used by women to rate men
LULU	Ms. Roman of Hee Haw
LULU	Lollapalooza
LULU	Doozy
LULU	Dilly
LULU	Opera in which Jack the Ripper is a character
LULU	"To Sir With Love" songstress
LULU	Doozie

LULU	Pip
LULU	"Little" comics girl
LULU	Whopper
LULU	Blockbuster
LULU	Remarkable thing
LULU	Ripsnorter
LULU	Remarkable item
LULU	Little ... (Marjorie Henderson Buell cartoon)

LULU	Remarkable person
LULU	Remarkable sort
LULU	Wowser
LULU	"To Sir, with Love" singer
LULU	One-named British pop singer
LULU	A real humdinger
LULU	Real beaut
LULU	A real pip

LULU	A. Berg opera
LULU	Alban Berg opera
LULU	She's back in town
LULU	Sockdolager
LULU	"Little ..." of the comics