It’s Already Been Five Years: Katy Perry “Last Friday Night (T.G.I.F.)”
Of the nine number one singles Katy Perry has amassed to date, five came from her 2010 album Teenage Dream. Exactly five years ago, the last of those five number one singles, “Last Friday Night (T.G.I.F.),” climbed to the top of the chart for a two-week reign.
