There Goes The Bride by Ray Cooney and Jon Chapman

Timothy Westerby, overworked, stressed-out 1970s advertising exec, is accidentally concussed on the morning of his daughter’s eye-wateringly expensive wedding. On coming round, he finds he is partnered by a glamorous girl who whisks him back to the glitz and romance of 1920’s show business. Trouble is, only Tim can see her!

Hilarious chaos ensues in what has been called the fastest and funniest of the many West End hits from the masters of English farce.