Asked about these girls on SteveGarfield.tv on 4/21. Watch the video clip.
Update from the comments 4/23:
They are sisters!
Streamline/Interscope Recording Artists Destinee & Paris
Lady Gaga Born This Way - Destinee & Paris
Official Site:
http://www.destineeandparis.com/
Twitter:
@destineeparis
@DestineeMonroe
@ParisMonroe
Facebook:
http://www.facebook.com/pages/Destinee-and-Paris-Monroe/222204925628