Harris announced as Rihanna UK support act

Calvin Harris is to join Rihanna on her UK tour.

The 27-year-old DJ has been confirmed as the main support act for the 'S&M' singer's 28 'Loud' concerts, which take place in Manchester, Glasgow, Liverpool and London between October and December, and the 'Umbrella' singer has hailed the Scotsman's "unique" contribution to her show.