Sibling mockery is everywhere.。

SEE ALSO:The 'Best Actress' losing nominees hugging it out might be the sweetest moment from this year's Oscars。

Margot Robbie gave an interview to MTV Australia on Monday for。 Peter Rabbit。.  。

This wasn't your average interview however. MTV had a surprise in store in the form of Robbie's brother Cameron, who acted as interviewer.。

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Being a true sibling, Cameron reminds his sister to calm down as the interview is a "professional situation." 。

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As far as sibling savagery goes, Robbie got off pretty lightly. 。

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TopicsCelebrities。