Elyse Knowles stars in Bras N Things Blue Ruby Swim campaign

Australian model Elyse Knowles, 23, has shown off her enviable figure in a new swimwear campaign for lingerie retailer Bras N Things.

Samantha Harris, Elyse Knowles and Robyn Lawley in lingerie shoot

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Model Elyse Knowles shows off her baby bump in a pale blue bikini

Elyse Knowles stars in Bras N Things Blue Ruby Swim campaign

Samantha Harris, Elyse Knowles and Robyn Lawley in lingerie shoot

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Elyse Knowles flaunts her body in Bras N Things campaign

Elyse Knowles flaunts her body in Bras N Things campaign

Elyse Knowles stars in Bras N Things Blue Ruby Swim campaign

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Elyse Knowles flaunts her body in Bras N Things campaign