Katy on How I Met Your Mother

Here's a picture of Katy with Neil Patrick Harris - she is going to be a guest on a future episode.

Photo cred: twitter.com/katyperry

Grammy Awards 2011

Good news! Katy Perry will be performing live at the 2011 Grammy awards.

Meanwhile on iTunes...Firework is #5 on the top 10 songs chart and Firework is #3 on the top 10 music video chart.

Photo credit: goldengarden.tumblr.com