You are cordially invited to London's royal hotspots. From Buckingham Palace to the Tower of London, we show you how to get inside palaces, castles and have lunch like a prince on a pauper's budget. Plus, we round up the top 10 music festivals that are rocking the city, take a look at the National Portrait Gallery's Audrey Hepburn exhibition, and discover what you can expect from the South Bank's newest attraction, Shrek's Adventure! London.