Jamie Cullum, Rumer and The Swingle singers at The Royal variety performances 2010

Jamie Cullum, Rumer and The Swingle singers perform at The Royal variety performance 2010

[@gatorshd]

Wow

[@malcolmbryant]

Must be very intimidating for any solo singer to appear with the Swingles! Love this clip.

[@mylittlebuckaroo]

Rumer is a wonderful singer! There's a great fan group on Facebook - "Rumer Worldwide Fans". Join us!