All she did was cover her ears to block out the crowd noise. Too bad she happened to do it in front of the most photographed kiss in the world.
A flower girl at the Royal wedding of Prince William and Kate Middleton - you know, the one that happened just this morning - went from being a photographer's happy accident to an internet meme within minutes of the photo going worldwide.
A "meme" for the uninitiated, is an idea or joke or other such concept that spreads around the internet and becomes like a kind of universal inside joke.
They usually involve edited photos or photos with jokey, slang-tinged captions. Like, say:

But who is the adorable little anti-romantic? According to Vanity Fair, she's three year-old Grace Van Cutsem, and she happens to be the great-great-great-granddaughter of William Waldorf Astor. She is also Prince William's god daughter.
And now, she's an internet meme.
U.S. & World
Selected Reading: Vanity Fair, VF Daily, PopEater