Katie Derham and Aljaz dance the Viennese Waltz - BBC Proms 2016 - BBC Four

BBC Proms presenter Katie Derham and Strictly professional Aljaz Skorjanec dance to If I Can Dream at the Strictly Prom, performed by the BBC Concert Orchestra, conducted by Gavin Sutherland.

See more from the Strictly Prom at http://www.bbc.co.uk/events/evpn3d