Once a year, the Vienna State Opera turns into the world's most famous ballroom. Its annual ball features dolled up debutantes and local and international celebrities, all moving to the three-four beat of the waltz.
It's the epitome of high-society and it happens once a year on the first day of Carnival celebrations - the Thursday before Ash Wednesday.
This year, well-known personalities like Hollywood actress Goldie Hawn and IMF chief Christine Lagarde are anticipated. Click through the gallery above for an inside look at the glamorous tradition of the Vienna Opera Ball.