Which of these female look the smaller uk clothes size? what uk clothes size do both look?

person 1: http://www.facebook.com/#!/photo.php?fbid=10100373576686735&set=a.802526229455.2496072.61416273&type=1&theater http://www.facebook.com/#!/photo.php?fbid=10100317909159905&set=a.802526229455.2496072.61416273&type=1&theater (person on the left) http://www.facebook.com/#!/photo.php?fbid=10100253540285645&set=a.802526229455.2496072.61416273&type=1&theater person 2: http://www.facebook.com/media/set/?set=a.10150333142073302.336868.631733301&type=3#!/photo.php?fbid=10150339036053302&set=a.10150333142073302.336868.631733301&type=3&theater http://www.facebook.com/media/set/?set=a.10150333142073302.336868.631733301&type=3#!/photo.php?fbid=10150339139518302&set=a.10150333142073302.336868.631733301&type=3&theater http://www.facebook.com/media/set/?set=a.10150333142073302.336868.631733301&type=3#!/photo.php?fbid=10150333142133302&set=a.10150333142073302.336868.631733301&type=3&theater