Frankly, I don't think so. She looks like a normal sized woman to me. Now, was that outfit a smart choice for a televised event designed to attract one of the world's most body-obsessed audiences (translate kids and young adults and peers in the entertainment industry)? No.
Did Britney generate publicity? You betcha. Did the negative vibes hurt record sales? Apparently not. According to E.T. Weekly her record is selling.
So, who's laughing now?