Harry dropped in to see the hit show last night (1 October 2013) in the company of his girlfriend Cressida Bonas, at the appropriately named Prince of Wales Theatre.
Cressida is no stranger to performance herself, having trained in dance at the Trinity Laban Conservatoire.
The Book of Mormon comes from South Park creators Trey Parker and Matt Stone, and Avenue Q co-creator Robert Lopez. The show, which won nine Tony Awards including Best Musical, follows a pair of Mormon boys sent on a mission to a place that's a long way from Salt Lake City.
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