Attack of the selfie: Kim Kardashian unwittingly gets pictured in fan's photo after he sneaks up and snaps her on his phone

She often loves to post selfies to her Instagram account, but no doubt Kim Kardashian was a little bemused after a fan ran up beside her in the street and took a quick snap of her.

Kim barely had time to register the eager man's presence before he took a photo of himself, making sure he got the reality star's face in the frame.

The 33-year-old appeared to take the moment in her stride as she walked down Mercer Street in Soho, New York on Tuesday.

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Par for the course: Kim seemed unfazed when a fan ran up to her and grabbed a photo of them together

Looking like she had stepped straight out of the pages of a fashion magazine, Kim looked incredible in a sexy, sheer top which had a plunging bra top underneath which showed off her curves.

Despite speculation she has already tied the knot with her rapper fiancé, Kanye West, Kim has denied she is a married lady.

She told a reporter at the Met Gala on Monday, 'Still Kim, Mrs West soon.'

Kim looked incredible in the Alber Elbaz designed Lanvin gowns that she wore to the prestigious fashion event, hosted by Vogue editor, Anna Wintour.

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Working it: Kim looked incredibly sexy in her sheer top which she wore over a plunging bra

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Always on form: The 33-year-old wore her designer outfit to fly to LAX airport that day

A wide black textured belt accentuated her waspish waistline while black strappy heels and dangling Lorraine Schwartz earrings peeked out from her sleek hairstyle.

36-year-old Kanye earned some fashion nods as well for donning a Charles James black tuxedo with coattails.

Fashion insiders are waiting with bated breath to discover which designer Kim will go with for her upcoming nuptials - Lanvin, Givenchy and Balmain have all been pipped as possibilities.

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She's not blue: Kim, who confirmed she has not yet married her rapper beau, Kanye West, dazzled in this Lanvin creation at the Met Ball