Behind the scenes at the Beverly Hilton in Los Angeles, which has played host to Hollywood royalty for the last six decades, as well as a host of politicians. Hotel manager Michael Robertson gives a tour of the penthouse suite where Barack Obama recently rested his head, showbiz reporter Jeremy Louwerse relives the moment he was dragged into the pool for an unexpected dip with Angelina Jolie, and head chef Matt Morgan breaks down what it takes to deliver a three-course dinner for the who's who of Hollywood