David Tennant Backs The Save The Arctic Campaign And Appears In New Exhibition
The photos - shot by world renowned celebrity photographer Andy Gotts MBE - see them wearing original t-shirts designed by fashion icon Vivienne Westwood.
Vivienne, and actress and designer Sadie Frost, were on hand to launch the exhibition earlier today.
Watch a video below:
You can help by visiting the Save The Arctic website and signing their petition here.