Selfies: we've all done them (don't lie, we saw it on your Instagram!), but how do you master the art of taking a good self-portrait? Our reporters Matthew Rodrigues and Allison McNamara are laying down the ground rules for success. There's a lot to think about: How's my background? Does this selfie have good lighting and a purpose? Watch on and keep these helpful tips in mind next time you solo "smize" to the camera. And after you watch, snap your best selfie and share it with us using our hashtag #popselfie.