Devizes MP Claire Perry together with a team of cross party MPs and Peers and 17,000 other men and women power walked across London on Saturday night.
The fundraising efforts of the women and men who take part in The MoonWalk means that, Walk the Walk has raised a £91.5million for breast cancer causes to date, including helping to fund vital research projects such as the Breast Cancer Campaign Tissue Bank.
Around 50,000 women and men are diagnosed with breast cancer each year in the UK this support is vital.
Mrs Perry said: “I was delighted to once again join the 17,000 others doing the MoonWalk, this Saturday evening, and thankfully the rain held off.
"So far, the Westminster team of Moonwalking MPs has raised nearly £3,500 for breast cancer causes."
Donations can still be made at wtwalk.org/moonwalklondon2014/claire-perry-mp