No need to ask this guy Who You Love!
It's Katy Perry, and her fab fresh track off of Prism!!
In fact, he swears he knew she had a "megaton bomb" in waiting from the very first time he heard the sweet single!
He was not only blown away by the fact that she had struck sonic gold with Roar, but he was also moved by the experience of being the first one to realize it!
John humbly confessed: