You know what's the best? When the one pic the entire group snapped makes you question your dental hygiene routine. Whomp whomp.
There are of course tons of techniques to make sure your teeth are their whitest. But if your teeth end up looking yellow on camera, wacky white-balance could be to blame. But don't let it irritate you. Bad lighting can be adjusted with a photo-editing app that magically whitens up your teeth. Here are five things to look for in a teeth whitening app: