who is she?
She is an American actress and singer
Scarlett Johansson
Scarlett Ingrid Johansson (; born November 22, 1984) is an American actress and singer. 
who is the girl in justin timberlake what goes around comes around Scarlett Johansson
wiki:8748885
Scarlett Johansson [SEP] Introduction
Scarlett Ingrid Johansson (; born November 22, 1984) is an American actress and singer. The world's highest-paid actress since 2018, she has made multiple appearances in the "Forbes" Celebrity 100. Her films have grossed over worldwide, making Johansson the ninth-highest-grossing box office star of all time. She is the recipient of several accolades, including a Tony Award and a BAFTA Award, as well as nominations for two Academy Awards and five Golden Globe Awards. Born and raised in Manhattan, New York City, Johansson aspired to be an actress from a young age and first appeared on stage in an Off-Broadway play as a child actor.