Katy Perry tweets about Glee’ Teenage Dream cover

The singer’s song Teenage Dream was the cover in one of Glee’s episodes.

Once Katy found out about it she tweet her excitement: “Oh… My… Gosh… this just brought a sweet tear to my eye! Teenage Dream on GLEE makes my heart go WEEEE!”

Besides Katy Perry also stars such as Lady Gaga, Madonna and Britney Spears were linked to the popular show Glee.