This Is How Celebrities Amuse Themselves

After Justin Bieber sported a tee with Kelly Kapowski's likeness on it at Canada's Much Music Awards, Tiffiany-Amber Thiessen showed up to the premiere of Horrible Bosses wearing a tee with Justin Bieber on it last night. And then, two more photos surfaced: one of Dustin Diamond wearing a shirt of Tiffiany-Amber… » 6/24/11 6:00pm 6/24/11 6:00pm