Hollywood Actress, Won an Oscar for La La Land

This page is the CodyCross answer for the clue below from New York, New York!, Group 374, Puzzle 4 (Staten Island Ferry).

Question is: Hollywood Actress, Won an Oscar for La La Land

and the answer is: EMMASTONE

Word Meaning:

EMMA — (British, dated, World War I, signalese) M in RAF phonetic alphabet

Definitions from Wiktionary.

Hollywood actress, won an Oscar for La La Land — CodyCross Answer | CodyCross Solutions