Actually, I have noticed that too, LOL. I just assumed it was because it seemed as though the buggy got off to a rough start, like the horses started moving quickly or something, and everyone was throwing the rice at them. Maybe she was a bit overwhelmed?
"It is still best to be honest and truthful; to make the most of what we have; to be happy with simple pleasures and to be cheerful and have courage when things go wrong."