Kim Kardashian has bared all in a stunning string bikini as her latest Instagram snap sent her fans into meltdown.The 41 year old mum-of-four made a bold choice to share a sizzling photo ahead of her elder sister Kourtney Kardashian's wedding day this weekend, stealing her thunder by showcasing her ample assets. Walking across sandy shores amongst palm trees and clear blue skies, the reality TV beauty grinned as she flipped her bronzed tresses in the sunshine. In tiny mocha-coloured swim wear that showed off her incredible curves and flawless tan, Kim's latest photo was iconic.The star finished her beach-babe look with a pair of sunglasses, a slick of lipgloss and lime green nails.