Kourtney Kardashian has stepped out looking completely unrecognisable

Kourtney Kardashian has managed to completely baffle the streets of Los Angeles, going undercover as part of a skit for Jimmy Kimmel Live!.

The normally super glamorous mum-of-three went to great lengths to make sure she wouldn’t been spotted – even sporting a a platinum blonde wig and prosthetic nose for the stunt.

The 38-year-old Keeping Up With The Kardashians star was seen wearing a form-fitting, tailored navy suit, and a baby blue blouse, which is a far-cry from her favoured designer look.

And, it seems that her disguise did just the trick, as she went undetected.