2013 Wimbledon champion Marion Bartoli, singer Natalie Imbruglia, comedian Jack Whitehall, winner of The Voice Jermain Jackman and Richard's photographer nephew Noah Devereaux also made up the party of famous faces supporting the Strive Challenge.
Stars including Jack Whitehall, Jermain Jackman and Marion Bartoli are part of the Strive team
Noah, Sam and Marion are part of the core team of ten people who will undertake the challenge, attempting to reach the summit of the Matterhorn in Switzerland from London.
Joined by stars and professional including Ben Ainslie and Ned Rocknroll, the group will run, row, cycle, hike and climb over 1,000km.
Richard Branson himself will be joining the adventurers, as will his sister Vanessa and her husband Robert Devereaux.
Great-grandmother-to-be, Eve Branson joined her grandchildren Holly and Sam
"As one of Big Change's Trustees, some of you have been asking why I'm now not taking part in the Virgin STRIVE Challenge myself," she posted on her father's website. "Well, Freddie and I are delighted to share the happy news that we are expecting twins!"