***FYI*** A 'Guilty Pleasure' is defined as anything that you do that is at least a wee bit embarrassing. If you were meeting the coolest person in the world... this is probably not the first thing that you would tell them about yourself!
(Here's a little inspiration if needed) http://www.momversation.com/episodes/guilty-pleasure
I'll start first -
I can listen (ok; Blast) Taylor Swift (especially Love Story) over & over & over & over again singing in my car at the top of my lungs with my headset in so (hopefully) people think I'm just yelling at someone on the phone!