Actress-producer Margot Robbie pitched 'Barbie' as a billion-dollar movie as she tried to convince studios to make the picture by comparing it to 'Jurassic Park'.

"I think my pitch in the green-light meeting was the studios have prospered so much when they're brave enough to pair a big idea with a visionary director," Robbie, who stars as the famous doll in Greta Gerwig's much-hyped new film, reports aceshowbiz.com.