One source claims the 18-year-old was actually bullied for being there -- apparently not everyone thought she earned the right to walk the shows!
The insider spilled:
Katy Perry is full of surprises!!
But that’s because she likes to make it like your birthday everyday, as her Birthday lyrics clearly state.
And the catchy song’s lyric video is certainly the very merriest unbirthday gift of all — especially when Miz Perry makes a surprise appearance at the end!
Maybe this was a transition phase on the way to "slime green"??
Watch the joyous vid and check out her frosting-colored hair hue (above)!