Millie Bobby Brown is channeling Rachel Green! Ahead of Sunday's Emmy Awards, released their 2020 Television Portfolio in which some of TV's biggest stars dressed up as a character from shows they've been watching in quarantine.In Brown's pics, which were shot by her brother, Charlie Brown, the 16-year-old star dons a plaid skirt and a cream turtleneck.For Brown — whose show, , is nominated for Outstanding Drama Series at this year's awards show — dressing as Jennifer Aniston's character was an