Jessica Ennis jokes after meeting 'twin' Jessie J

Olympic champion Jessica Ennis has described British singer Jessie J as her 'twin' after the pair met this week.

The Voice judge posted a photo of the duo on Twitter after the two bumped into each other at the South Bank Studios in London.

Jessie J tweeted "We look slyly alike lol same name – lovely to meet you," and Ennis replied: "Ha ha twins ;) great name!"

The 26-year-old, who won gold in the heptathlon at London 2012, was filming for BBC One's The Graham Norton Show.