Joe Jonas -- Welcome to Eight Months Ago

6/3/2009 6:25 PM PDT
Just when we thought Beyonce's "Single Ladies" was out of our head, and we were finished seeing every moron with a leotard and webcam dance to it ... Joe Jonas had to drum up all those disturbing memories by putting a purity ring on it himself.

We also hear Pet Rocks are the bee's knees.