Popsugar Fashion Mandy Moore Mandy Moore Dressing Like Rebecca Pearson on This Is Us 9 Times Mandy Moore Took a Style Cue From Her Character on This Is Us April 3, 2019 by Kelsie Gibson View On One Page Photo 13 of 27 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 13 A Sequined Party Dress The dress Rebecca wears for her big show might be one of her fanciest looks yet. Previous Next Start Slideshow Mandy MooreThis Is UsRed CarpetDressesSkirtsScreen Style