Perth born and raised actress Melissa George was eight weeks pregnant when she filmed her racy advertisment for lingerie label Agent Provocateur.
The 37-year-old is expecting her first child with French boyfriend Jean-David Blanc.
George was announced as the face of the British lingerie brand's Autumn Winter 2013 campaign on Monday.
In the racy video clip, George is clad in a tight, black top which she promptly rips off to reveal sexy lingerie.
She is later seen frolicking suggestively on a catwalk with model Chloe Hayward and "good friend" socialite Elettra Wiedemann, clad only in their underwear.
The Aussie actress revealed she shot the campaign after finding out she was expecting."I was 8 weeks pregnant! Who said pregnancy isn't sexy!!" she tweeted on Monday.