Popsugar Entertainment This Is Us This Is Us "Invisible Ink" Song by Mandy Moore The Song Rebecca Sings to Jack on This Is Us Has a Personal Connection to Mandy Moore 14 November 2018 by Kelsie Gibson View On One Page Photo 2 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 This Is Us Aftershow With Mandy Moore, Taylor Goldsmith, and Siddhartha Khosla Previous Next Start Slideshow This Is UsMusicTV