They say that fame is fleeting... but it can also be mysterious.
Especially in this day and age - when stars can be made purely out of Instagram photos and scandalous Tweets - it's necessary to sometimes stop and ask:
Wait... why is that person famous again?
This can be true for those you may despise (hi, Kim Kardashian!) and also for those you admire (what power does Kate Middleton hold, exactly?).
With this in mind, we've come up with 13 pretty big celebrities whose names keep being in the news despite a lack of any discernible skill. Apparently, all it takes to strike it big is to film a sex tape and/or be a terrible mother: