Their heads look large in those pictures and the lighting is pretty harsh. Not the most flattering of circumstances. Take this shot from the same event that looks better:
http://www.thesun.co.uk/sol/homepage...rst-night.html
EDIT: oops, same shot as the first link, but that second link I don't know if it's the lens or what but it almost looks like it's been shot from above or something, their legs don't look quite right (maybe they are higher, seems weird but maybe the photog was raised up or something)