United Kingdom, Feb. 17 -- Margot Robbie worried she was "dumb" after deciding against going to university.

The Wuthering Heights actress, 35, grew up in Australia and discovered her love of acting when she was in high school so she decided to chase her dreams of stardom instead of enrolling in higher education, but the move left Margot questioning herself so she asked her sister if she could complete some of her university coursework in a bid to prove her intelligence.

During an appearance on the Smartless podcast, Margot explained: "Part of me was like: 'Oh no I started acting like on [Australian soap] Neighbours ... I haven't gone to university and I guess I'm never going to at this point. Am I dumb?'

"I remember asking my sister, I...