In three of the best (YMMV) sitcoms on television-
Happy Endings,
How I Met Your Mother, and
Up All Night-the character ensemble is supposed to be very "young" and "hip" and "with-it" when it comes to pop culture.
But sometimes lazy scriptwriting takes over, and the
mere mention of a celebrity's name is supposed to inspire raucous laughter.
Which celebrities are punchlines? ...