"Pretentious" comes to mind, but I thought there was a word that specifically refers to pretending to like things of "high culture", or dislike the opposite. When I looked in the thesaurus I didn't see it.
I said I thought The Walking Dead was a stupid TV show, but I who am I kidding. I was just being ____. It was fun to watch and I love zombie shows.
You're being ____, pretending to like Mozart but listening to 80s rock ballads when no one around.