Katy Perry - "Last Friday Night (T.G.I.F.)" official music video teaser

You re invited to the party of the summer! Watch the official video here: http://youtu.be/KlyXNRrsk4A Kathy Beth Terry has no friends! LIKE Kathy Beth Terry on Facebook and follow her on Twitter! http://www.facebook.com/kathybethterry http://www.twitter.com/kathybethterry Buy "Last Friday Night (T.G.I.F.)" on iTunes here: http://goo.gl/j1FSg