Caroline Flack's pals Olly Murs and Bradley Simmonds complete charity trek as a tribute to presenter

Caroline Flack's pals Olly Murs and Bradley Simmonds complete the first day of charity trek

Caroline Flack's pal Bradley Simmonds details regret at not being 'there for her' before her death

Caroline Flack's best friend Mollie Grosberg discusses charity trek to honour late Love Island host