The Twilight star seemed a mere slip of a girl as she posed alongside the statuesque Theron.
Dressed in a vibrant figure-hugging red dress, the 36-year-old Devil's Advocate actress looked fantastic as she arrived at the Spanish premiere of the movie.
She matched her outfit with nude court shoes and her hair in a chignon.
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Charlize Theron and Kristen Stewart attend the premiere of Snow White and the Huntsman in Spain
Theron stars as Queen Ravenna in the movie in which she stars with 22-year-old Stewart who plays Snow White.
In a famous scene, Theron emerges naked from a bath of milk, she said: "Sadly you can’t really use milk in light, it curdles, it was actually McDonald’s milkshake mix…without the flavour."
Stewart wore a black and blue mini dress and Christian Louboutin heels with her hair in a fish tail plait.