Mandy Moore had a career.
Mandy Moore . Outside of her musical career , Moore has also branched out into acting . In 2001 , she made her film debut in the comedy Dr. Dolittle 2 , though it was only a minor voice role . Later that year , she co-starred as Lana Thomas in the comedy The Princess Diaries with Anne Hathaway . In 2002 , she made her starring debut with Shane West as Jamie Sullivan in the romantic drama A Walk to Remember , which was based on Nicholas Sparks ' novel of the same name . In 2016 , she began starring as Rebecca Pearson in the NBC family comedy-drama series This Is Us for which she received a Golden Globe Award nomination .