The Princess of Wales climbed the highest mountains in Scotland, England and Wales in 24 hours to raise money for a cancer charity - and several fellow hikers spotted the future Queen and had surprise chats with her

The Princess of Wales, Kate Middleton, took on the Three Peaks challenge, which saw her climb Ben Nevis, Snowdon and Scafell Pike in 24 hours - and it was for a great cause

Catherine, 44, started the endurance event on Saturday night and finished it 24 hours later cheered on by her family including her husband and three children.