She performed: (this isnt in order btw, i cant remember :L)
dance in the dark, glitter and grease, just dance, beautiful dirty rich, pokerface, alejandro, speechless, you and I, monster, lovegame, boys boys boys, money honey, paparazzi, bad romance, the fame, teeth, telephone, so happy I could die and i think thats about it :) they were all amazing :D