
Some of the most memorable moments in TV come from the special guest stars, not the main cast. These celebrities roll in for an episode or two, and more often than not, with that requisite quirky charm that sticks in the head. Here are some celebrity guest stars who stole the show in their short-lived roles, leaving their indelible mark on television history.
#1: Britney Spears on How I Met Your Mother
Britney Spears had a cameo on How I Met Your Mother as the ditzy receptionist, Abby. Her fun style and timing had fans cracking up, so they were thrilled to see her pop up on the show. Britney’s turn wasn’t just memorable; it encapsulated the very essence of her being, quite fun in most sections in which she appeared. Who doesn’t like it when their favorite singer pops into a comedy series!

