Gary Barlow and friends prepare for charity drive

Gary Barlow heads off on a charity drive from Land's End to John O'Groats today accompanied by Professor Brian Cox, Radio 2 DJ Chris Evans and Top Gear's James May.

The celebrities will travel in the same car - a pink Rolls Royce with an "FAB1" numberplate - and are expected to arrive in John O'Groats at around 4am on Friday morning.

Barlow and May spoke to Daybreak about their journey - with a little help from Cox: