04/30/2013 04:40 pm ET Updated May 02, 2013

Celebrity Photos That Make You Wonder: 'Who Took This Picture?!'

Over the weekend, Justin Bieber posted an intimate photo of him and his ex (or current) girlfriend Selena Gomez to Instagram. Media outlets and fans alike were so focused on what the photo meant -- are they on again? -- that one little detail was neglected: Who the hell took it?!

Because when you think about it, that's a pretty private moment right there. Justin is (of course) shirtless, slaving away on his laptop, Selena looks like she just woke up or is about to fall asleep. Who else was in the room with them?

But theirs is hardly the sole celebrity photo that has us scratching our heads. We're used to paparazzi shots, the mandatory selfies and the obvious PR pics, but what about all the seemingly personal moments that somehow end up public -- who's behind them?

Here, take a look and you'll see what we mean: