Guys, Emma Chamberlain wasn’t lying—she’s a total coffee connoisseur. We challenged the YouTube queen (and our February cover star!!!) to a very special Expensive Taste Test challenge, where she attempts to pick out the bougiest gummy bears, PB&J sandwiches, iPhone camera attachments, and more! With her trademark humor, the ‘Chamberlain Coffee’ CEO absolutely destroys the cold brew round without breaking a sweat. And uh, not to spoil anything, but Iggy Azalea might be pissed when she sees the en