Chicago-based YouTuber Keenan Cahill has treated his 11,000 fans and subscribers to an animated, lip-synched version of Katy’s hit single “Teenage Dream” that’s quickly going viral and has even attracted the attention of Katy herself!

“THIS… is my Teenage Dream,” the card-toting “California Gurl” Tweeted Thursday, posting a link to Keenan’s vid. Katy later added: “I heart you @KeenanCahill.”

Teenage Dream, Katy’s third album, is currently the No. 1 disc in the country. The LP moved nearly 200,000 units in its first week of release.