"Last Friday Night (T.G.I.F.) by Katy Perry

"Last Friday Night (T.G.I.F.)" is a song by American recording artist Katy Perry. The track was written by Perry, Dr. Luke, Max Martin, and Bonnie McKee and was produced by Dr. Luke and Max Martin. It is the fifth single from Perry's third studio album, Teenage Dream, and peaked at #4 on the US Billboard Hot 100 in just its fourth week on the chart and #6 on the Canadian Hot 100. Like all of