But one thing does remain unanswered -- how did Caitlyn pick her name?
It HAS begun!
The lovely Miz Katy Perry kicked off her much-anticipated California Dreams tour last night in Lisbon, Portugal, and - as to be expected - and looks as though it EFFING RAWKED!
Check out the singer's opening number, Teenage Dream, from the concert (above)!
Looks so RAD, bb! We can't wait to see it!