Antony Costa joins cast of Mamma Mia! The Party playing at the O2 London

Antony Costa of British boy band Blue is to join the new cast of Mamma Mia! The Party at London’s O2 from the end of the month.

Costa, 42, will star in the role of Nikos who co-runs Nikos Taverna on the Greek Island of Skopelos, where most of the exteriors for Mamma Mia! the movie were shot.