Andrew Lloyd Webber and his amazing technicolor love life

The wife: Lloyd Webber with Madeleine

But that was nothing compared to the after-show party - where the composer and theatre impresario found himself juggling the attentions of not only his current wife but also his two ex-wives and all their resulting children.

After the performance at the Adelphi theatre in the West End, the 60-year-old peer - wearing his very own amazing technicolor dream shirt - arrived at the postshow party with Madeleine, his wife of 16 years.

They were joined by their three children, Alistair, Billy and Isabella.

Moments later, he was asked to pose for pictures with his son Nicholas and Nicholas's new wife Charlotte Windmill.

Nicholas, a rock musician, is the product of Lord Lloyd-Webber's first marriage to Sarah Hugill (1972-1984), who had also been invited, and with whom he is still close. Nicholas's sister Imogen was also among the crowd.

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A few moments after that, the peer was to be found posing with his second wife, Sarah Brightman

(1984-1990), and her boyfriend Louis Overlander.

The show's lyricist Sir Tim Rice, there with his girlfriend Isabelle Duncan, 33, also proved himself an expert at getting on with his exes.

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Sir Tim, 63, kissed his exgirlfriend, the artist Nell Sully, mother of his five-year-old daughter Zoe.

And he posed happily with his wife Jane, who was there with their grown-up daughter Eva. Jane was granted a decree nisi in 1990 after Sir Tim's extramarital shenanigans with Elaine Page, but the divorce was never finalised and they are still, in name anyway, man and wife.

The only trouble on the night came during the show when a technical hitch temporarily halted the performance after 25 minutes.

Lord Lloyd-Webber said: 'In all the years the show has been going, nothing like this has ever happened and then it happens tonight.'