She captioned the snap: “Matchy matchy.”
Meanwhile, Chris also posted a similar picture to his feed, which he captioned: “Nice outfit @lucyweather where’d you get that idea from …”
The duo spent the day together talking about the dairy production industry with local farmers before trying a cheese sandwich prepared by the M&S chef.
A video, which the star uploaded, shows Chris preparing a Cornish cheese and chutney toastie outdoors, as she looked on hungrily before sampling the delicacy.