MAFS star Martha Kalifatidis' Instagram nipple slip

It seems Married at First Star Martha Kalifatidis may have revealed a little more than she bargained for in a sultry bikini photo posted to Instagram.

Married At First Sight Australia's Martha Kalifatidis looks very different after transformation as she hoovers in bikini

MAFS star Martha Kalifatidis shares revealing bikini wardrobe malfunction

MAFS' Martha Kalifatidis in 'nipslip' wardrobe malfunction

Martha Kalifatidis almost suffers a nip slip in VERY low-cut top

What MAFS stars Martha Kalifatidis, Hayley Vernon, earn on Instagram

MAFS star Martha posts topless photo in response to 'chubby' comment

Where is Martha Kalifatidis now from Married At First Sight Australia?

MAFS star Martha Kalifatidis' topless selfie sparks Holds Boob Tape sales

Married At First Sight Martha Kalifatidis films her naked mother in the shower

MAFS star Martha Kalifatidis' topless selfie sparks Holds Boob Tape sales

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Married At First Sight's Martha Kalifatidis and Michael Brunelli are engaged

Martha K shares 3D sonogram of her baby who's due in weeks