1. Rihanna
Stars are known to show a wide range of emotions when fans encounter them – and RiRi has chosen a somewhat unconventional expression to be her shock. We can’t tell precisely what scared the multi-Grammy award-winning artist, but we can see her giving her thumbs up in the photo. While fans are happy to only have a rare selfie with one of the world’s biggest superstars, Rihanna wants to get out of that position.