Penny's Coordinates: The Final Magic Number!!

And it's four!!

Jumper, Knickers, Blouse, and Vest.  Yep, it looks like our final magic number for Penny's Coordinates if four.  Wait!!  Is that TWO Kays??!?! Or is it three??? (Cay, Kay in a wig, and another Kay.)  What kind of 70s Coordinates photo shop black magic is this?!???!?!?