Chrissy Metz and Justin Hartley have a lot of love for their This Is Us mom.

Mandy Moore turned 33 on Monday, and in celebration of the actress' birthday, her onscreen children posted some sweet messages on social media.

Metz, 36, was the first to post a pic to Instagram of Moore as her This Is Us character, Rebecca Pearson, writing: "Happy Birthday to one amazing lady!!! May your day and year be full of love, light and complete wholeness!"

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Hartley also had some kind words for the birthday girl. "A very happy birthday to the very talented and very lovely @TheMandyMoore!" the 40-year-old actor tweeted. "Such a pleasure to know and work with you!"

On Sunday, Moore was gearing up for her birthday with onscreen husband Milo Ventimiglia by her side. The 39-year-old actor tweeted a photo of his co-star looking shocked while at an event, revealing that he had shared someThis Is Us season two spoilers with her. "When I told @TheMandyMoore a little I'd learned from dinner w/ @Dan_Fogelman & @kenolin1 about season 2," he wrote. "Can't fake that surprise."

Moore also took to Instagram to share a little video of her dancing. "Rolling into next week like....." she captioned the post.

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Last week, Moore celebrated her birthday a little early when she joined her friends and boyfriend, Taylor Goldsmith, at Disneyland. "This group. What a way to celebrate 33 (a tiiiiny bit early) than at Club 33??" she captioned a photo of her squad, who were all sporting matching shirts. "Thanks for the epic T-shirts, @rp1313 and thank you sweet Chip for escorting us through every ride, corn dog and churro. I am forever a #Disney nerd."

Here's a look at Moore's trip to the happiest place on Earth:

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