Popsugar Fashion Celebrity Fashion 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 28 March 2019 by Kelsie Gibson View On One Page Photo 19 of 27 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 19 A Slinky Halter Dress We like to believe that Cher would approve of this Halloween costume. Previous Next Start Slideshow Celebrity FashionThis Is UsScreen StyleSkirtsMandy MooreDressesRed Carpet