▲Starting with her best movies, in this comedy drama written and directed by Woody Allen, Johansson plays the role of Cristina, an optimistic American who falls in love with a Spanish artist while spending a summer in Barcelona.

▲In this comedy written, directed, and produced by Joel and Ethan Coen, Johansson plays the role of DeeAnna Moran, an actress who becomes pregnant during the production of her film.

▲In this drama, Johansson plays Griet, a young 17th-century maid in the household of the Dutch painter Johannes Vermeer (Colin Firth) who becomes the subject of the famous painting by the same name.

▲In this psychological drama also written and directed by Woody Allen, Johansson embodies Nola Rice, a woman who begins an affair with her boyfriend's brother-in-law.

▲In this neo-noir crime film written, produced, and directed by Joel and Ethan Coen, Johansson plays the role of Birdy Abundas, the teenage daughter of the main character's friend.

▲In this Marvel movie, Johansson continues the saga of Natasha Romanoff/Black Widow, a highly trained spy who becomes a member of the Avengers.

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In this black comedy film, Johansson plays the role of Rebecca, a teenage outcast who, alongside her friend Enid (Thora Birch), faces the summer after high school graduation.

▲In this sci-fi film, Johansson plays Laura, an otherworldly woman who preys on men in Scotland.

▲In this comedy drama, Johansson is Charlotte, a college graduate who befriends an aging actor in a Tokyo hotel.

▲Johansson plays the role of Ashley Parker in this horror comedy that follows the story of a toxic waste accident that affects the local spiders.

▲Moving onto the actress' worst films, in this adaption of the 1892 play 'Lady Windermere's Fan' by Oscar Wilde, Johansson plays newlywed Meg Windermere.

▲In this sci-fi thriller, Johansson plays Jordan Two Delta/Sarah Jordan, a woman who lives in an isolated compound set in the near future.

▲In this historical drama, Johansson plays the role of Mary Boleyn, the sister of the infamous mistress of King Henry VIII, Anne Boleyn.

▲In this biographical drama, Johansson plays the role of 15-year-old Suzanne, a girl raised by a kind foster couple after her parents were forced to abandon her as they fled the oppressive Hungarian government in 1950.

▲In this drama film set in New Orleans, Louisiana, Johansson plays Pursy Will, an 18-year-old who returns to her hometown to find two strangers living in her mother's old home.

▲Johansson is Francesca Curtis in this comedy heist film that follows a group of six New Jersey high school students ahead of the upcoming SAT exam.

▲In this rom-com directed by Woody Allen, Johansson plays the role of Sondra Pransky, a pretty but awkward journalism student who goes to London on vacation.

▲In this comedy drama, Johansson plays the part of Annie Braddock, a recent college graduate who saves the life of a boy after he is hit by a car.

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In this neo-noir superhero film, Johansson plays the role of Silken Floss, a nuclear physicist and surgeon who acts as the accomplice to the Octopus, the archenemy of the Spirit.

▲Johansson plays Kay Lake in this neo-noir crime thriller that follows the sensationalized murder of Elizabeth Short.

▲The last film of the Avengers saga, Black Widow is attempting to help the remaining Avengers reverse Thanos' dire act at the end of 'Infinity War.'

▲This Netflix drama about the dissolving of a marriage between Scarlett Johansson's character and her husband, played by Adam Driver, got rave reviews. Johansson saw herself earn her first Oscar nom for Best Actress.

▲In this adaptation of Rudyard Kipling's classic work, Johansson plays the part of Kaa, an enormous python who hypnotizes Mowgli.

▲In this sci-fi film, Johansson plays the lead role of the Major, a cyborg supersoldier who investigates her past.

▲Johansson plays Jess in this comedy film that follows a bachelorette party gone wrong following the death of a male stripper.

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In this sci-fi drama, Johansson plays the role of Samantha, an intelligent computer operating system personified through a female voice.

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In this stop motion set in a dystopian near-future Japan, Johansson interprets a female purebred dog named Nutmeg.

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Natasha Romanoff/Black Widow finally got her own film, to the delight of fans everywhere.

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At the same Academy Awards that saw her nominated for Best Actress for 'Marriage Story,' Johansson also scored a nom for Best Supporting Actress for 'Jojo Rabbit.'

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The public has witnessed Scarlett Johansson go from a talented child actress into a celebrated, award-winning star. The famed starlet is celebrating her 40th birthday today and to honor the occasion here is a list of her best and worst films.

Browse the gallery and take a look at the celebrated actress' career.