Stars come out for Cowell's black-tie birthday bash

A roll call of celebrities attended a lavish 50th birthday party for TV and music mogul Simon Cowell.

Around 400 guests including rocker Ozzy Osbourne, singers Myleene Klass and Cheryl Cole arrived at the black-tie bash at exclusive Wrotham Park in Hertfordshire, England last night. It is thought to have cost £1m (€1.1m).