Gary Barlow, Chris Evans, James May and Brian Cox will drive through the Midlands today in a pink Rolls Royce raising money for Breast Cancer Care.
The challenge will see them driving from Land's End to John O'Groats in a bespoke pink Rolls Royce Ghost.
They want to try and raise £1 million in 24 hours.
The four celebrities will stop off in Birmingham as part of their trip to meet breast cancer sufferers from the Midlands.
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The East Coast rail line becomes privately run from today after more than five years in the public sector.
Very windy this evening with gales in some places. Rain moving east
Windy with heavy rain this evening, then gales and showers later on