The worlds of cinema and celebrity descend upon Cannes today for the opening of its famed film festival. The highest award, the Palme d’Or, will bring acclaim to the winner, but judges aren’t looking for a film with big-league box-office appeal. The top-grossing winner of the past decade was “The Tree of Life,” with $54.3 million in global ticket sales. That’s a paltry sum compared with today’s cinema blockbusters, which routinely exceed $1 billion. Here are the 10 most recent winners, shown with their total worldwide box office gross.