Kourtney Kardashian poses nude and bares her derrière in artsy photograph .

Artist's muse: Kourtney Kardashian wore an all-white ensemble as she was seen out in New York on September 14

Kourtney Kardashian has followed in her sister Kim Kardashian West's footsteps, baring her derrière as she posed nude for an artsy photography series.
The Keeping Up With The Kardashian star, 36, shared the naked photograph, which is part of photographer Brian Bowen Smith's Metallic Life series, with fans on social media on Wednesday.
'Love being a part of the @brianbowensmith #metalliclife series,' she captioned the striking image.
Photo after the cut .

Artistic: Kourtney Kardashian posed naked for photographer Brian Bowen Smith's Metallic Life series of nude photographs