Stars join Branson for triathlon
12:35pm Saturday 22nd September 2012 in © Press Association 2014
David Hasslehoff and Alexandra Burke are lining up to join Sir Richard Branson in a relay team for the Virgin Active triathlon in London.
The celebs will be among 14,000 people who will swim, cycle and run around the capital over the course of the weekend.
Joining team Branson will be Nell McAndrew and Gareth Gates, as well as Sir Richard's children Holly, 29, and Sam, 26.
Sir Richard, Alexandra and the Hoff posed for pictures outside the ExCel centre in London before the event kicked off.