The 34-year-old took part in the giant crisp-shaped challenge with Made In Chelsea's Louise Thompson, the face of the brand Gary Lineker, and Team GB gold medalist Greg Rutherford at East London's Old Trueman Brewery.
Writing on Twitter, the mother-of-four told her followers she'd conquered the 22m-high, 30m-wide wall, exclaiming: "Job Done! @walkers_crisps ridge challenge."
Thompson added on her Twitter page: "If anyone heard screaming around brick lane its likely it was me climbing a giant crisp #twiceasepic."
All the celebrities taking part completed the challenge and the giant crisp will also open for the public to climb from the September 1 onwards.