Perrie and Leigh-Anne posed with their bandmate Jade Thirwall as they wore angel outfits in the snap which they shared to social media.
The photo was published ahead of the release of the group's new track 'Heartbreak Anthem', which has been produced with DJ David Guetta and Swedish pop factory Galantis.
Singer Perrie, 27 is expecting her first child With Liverpool footballer Alex Oxlade-Chamberlain and is the second Little Mix member in a week to announce exciting news.
Taking to Instagram, Alex posted a sweet photo of the pair cradling the growing baby bump for his 4. 8m followers to see. He captioned the black and white photo: "Anyone got any advice on how to change nappies?
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