Despite the build-up, not everyone is welcoming the Games.
A recent poll suggests that only 42 percent of Londoners are excited about the Olympics. And others have been downright worried.
Just a few months ago, Andrew Lloyd Webber claimed most of the capital's theatres would have to close for the summer, because they couldn't compete with the Games.
But as Liz Wickham reports, the West End has now decided that the Olympics could be a time to show itself off to the world.