Carey Mulligan and Gemma Arterton join Jennifer Saunders in Mamma Mia! Comic Relief special - Evening Standard

Carey Mulligan and Gemma Arterton join Jennifer Saunders in Mamma Mia! Comic Relief special  Evening StandardCarey Mulligan and Gemma Arterton are set to join Jennifer Saunders in the comedian's Mamma Mia! spoof for Red Nose Day.