These Oscar favorites were completely transformed for their roles. Click through the slides and try to guess the celebrity beneath the hair and makeup.
Guess the Oscar stars in disguise
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Emma Thompson brought Nanny McPhee to life.
Avengers: Age of Ultron
How Joss Whedon Fooled Us All With That 'Avengers: Age of Ultron' Death (Spoilers!)
Box Office: 'Avengers: Age of Ultron' No. 2 U.S. Debut of All Time With $187.7M; Hits $627M Globally
The Hollywood Reporter