This week it was announced that Dakota Johnson and Charlie Hunnam were cast in the lead roles for the movie adaptation of the popular sex manual 50 Shades of Grey. The internet acting as it does to these announces and LOST THEIR DAMN MIND.

Johnson is the daughter of Don Johnson and Melanie Griffith. She's a 23-year-old model and actress who's probably best known for her lead role on the FOX sitcom 'Ben and Kate'.

Born in Austin, Texas, the step-daughter of Antonio Banderas was a dancer throughout her childhood, and began a career in modeling at 12, after doing a photo shoot for Teen Vogue, with other children of celebrities.

Her first film appearance came in 1999 with 'Crazy in Alabama,' alongside her half-sister Stella Banderas and her mother, Melanie.

After completing high school, Dakota signed with William Morris Agency. Since then, she has appeared in 'Beastly,' 'The Social Network', 'Theo,''For Ellen,' 'Savage Innocent,' 'Five Year Engagement' and '21 Jump Street.'

You know who's really happy about the '50 Shades' casting news? Ben Affleck.

Getty Images
Getty Images