The latest celebrity to star in Mario Testino's beautiful towel series is...

Imaan Hammam is the latest star to pose nude with just a towel, as part of legendary photographer Mario Testino's towel series.

Imaan Hammam joins previous models, Bella Thorne and Kristen Stewart who also participated in the series.

The beautiful photo series has seen a number of famed celebrities, from Naomi Campbell to Anna Wintour, pose in nothing but a towel for the lens.

The classy black and white photographs have become a staple item in the aesthetic whirlwind that is Testino's Instagram feed, where the stars wear their towels - or towelling robe, in the case of Wintour - whichever way they prefer.

On Testino's website, more about the project is revealed:

'Mario Testino's Towel Series began when he noticed Kate Moss sat in a white robe with a towel wrapped high around her head on the set of a shoot,' a post says. 'The ongoing series, published on Testino's Instagram, has grown to become a liberating lens.'

'I think girls and guys feel this freedom at being able to express themselves because there is no predetermined way of how they should put the towel on. You can do anything you want... wear it however you want,' the photographer elaborated.

Well, all good things start with Kate Moss, of course, so we can't wait to see who's next.

Scroll through our gallery to see a selection of images from the beautiful Towel Series.

Imaan Hammam

Imaan Hammam

Jessica Hart

Bella Thorne

Naomi Campbell

Jourdan Dunn

Miley Cyrus

Kendall Jenner

Sienna Miller

Lily Aldridge

Georgia May Jagger

Gigi Hadid

Justin Bieber

Blake Lively

Rosie Huntington Whiteley

Selena Gomez