Hundreds of people were at Cribbs Causeway to greet celebrities Gary Barlow, Chris Evans, James May and Brian Cox.
The four set off from Lands End early this morning in a pink Rolls Royce. They're heading to John O'Groats to raise money for Breast Cancer Care.
More top news
A man and woman have been arrested on suspicion of causing death by dangerous driving following the death of an elderly cyclist
A woman whose body was discovered at a property on Penare Road in Penzance last Thursday has been identified as 32-year-old Cecilia Seddon
Noah's Ark Farm Zoo at Wraxall has taken on a 26-year-old African Bull Elephant to act as mentor to its two younger bulls