I really should start this review with a disclaimer. I absolutely love the movie version of ‘The Wedding Singer.’ I love it as a love letter to the 1980s, it’s use of fashion and music, and the superb cast, Drew Barrymore, Adam Sandler, Billy Idol and the rappiing granny. So as much as I was looking forward to the musical theatre version which is currently at the Wolverhampton Grand Theatre, there was some sense of trepidation. I needn’t have worried. The Wedding Singer is just glorious, the ultimate feel good night out that has music, comedy and a lovely warm centre, It’s 1985 and Robbie Hart is a wedding singer,…