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Mandy Moore Posts an Emotional Photo From Her 'Last Day of Work' on This Is Us

The actress has played our favorite TV mom, Rebecca Pearson, for six years.

By McKenzie Jean-Philippe
This Is Us' Mandy Moore As Rebecca Pearson

Fans are saying goodbye to This Is Us at the same time as the cast. As we watch the last-ever episodes, the actors are in their final days of filming.

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Watch This Is Us episodes on NBC.

Susan Kelechi Watson (Beth) and Sterling K. Brown (Randall) recently shared a sweet selfie after filming their final scene together. But the latest to get sentimental is Mandy Moore (Rebecca), who took to Instagram on May 3 to share an emotional behind-the-scenes photo from set.

"Last day of work. The greatest 6 years at the best job I’ve ever had. Gratitude, gratitude, gratitude (and definitely lots of tears). #thisisus," she captioned the photo.

Moore has played Rebecca for six years, and she's become one of the most adored moms in TV history. But in the latest episodes, fans see Rebecca's Alzheimer's progress. All signs point to things getting increasingly difficult for the character, particularly following Miguel's (Jon Huertas) death in Season 6, Episode 15.

"Mandy’s amazing," Huertas told NBC Insider. "She’s always done her research in regards to what state Rebecca's in and how it affects her and how her body would be, her mental state, her emotional state. Everything is so affected with Alzheimer’s. It is 'gonna get worse, and it’s 'gonna be very sad. It’s hard to see someone go from this—'cause me and Mandy are time-travelers [on this show]—vibrant woman with this amazing smile, great mother, a great wife to her husband, Jack. To see someone become this shell of who she was, it’s very sad. I hope people are ready to see." 

Series writer Kay Oyegun also hinted that things will be tough for Rebecca moving forward. "Objectively, unapologetically, it’s going to get bad. Point blank, period," she told NBC Insider. "This is a disease that kills many people, ruins many families. So getting a chance to give everything you have while you can is a mercy and a gift that people rarely get. So it was important to [showrunner] Dan Fogelman and to us as writers to show that and give that. Because the minute the light bulb goes out, there is no coming back from it."

This Is Us airs Tuesdays at 9 p.m. ET on NBC. Catch up now on NBC.com.