I never knew the greater context of this clip was that Frank was supposed to get tattooed by Kat, but she was missing. The girls had no idea who he was, but when he revealed (sheepishly) that he was in My Chemical Romance, they panicked and put him to work stocking sodas.
genuinely PJ and Chris playing up their own "ship" to take attention off of their closeted friends' genuine secret relationship should be talked about more