Katy Perry ‘Last Friday Night (T.G.I.F.)’ Video Teaser (VIDEO)Katy Perry ‘Last Friday Night (T.G.I.F.)’ Video Teaser (VIDEO)I love me some Katy Perry and it looks like her new song will be meshed with some serious video goodness!!! I can't wait! Why do they have to tease me so?!?!?!? BristolBristol