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Of course, the 33-year-old actress' friends were quick to shower her with their heartfelt excitement.

Mandy Moore, who recently announced that she, too, is expecting a baby, gushed in the comment section, \"Yay!! The best news!!! Love you two and can’t wait to be mamas together!\"

Other well wishes came from Amanda Kloots, who called the announcement \"amazing news,\" while singer Meghan Trainor, who is expecting a baby boy next year, called Duff a \"beautiful mama!\"

However, the most hilarious reaction came from Koma, with him writing, \"Wow congrats.\"

The couple, who will celebrate their first wedding anniversary on Dec. 21, share a 2-year-old daughter, Banks. Duff is also the mother of 8-year-old Luca Comrie, whom she shares with ex-husband Mike Comrie.

The baby news coincided with Banks' second birthday, with both Duff and Koma gushing over their soon-to-be middle child.

\"My love, my sweet sweet angel girl,\" Duff praised on Sunday when posting an emotional slideshow of Banks over the years. \"I love you so so so many times and again. Thanks for choosing us!\"

View this post on Instagram

A post shared by Hilary Duff (@hilaryduff) on Oct 25, 2020 at 10:46am PDT

As for Koma, he shared a hilarious photo of Banks during potty training and sweetly penned, \"It’s the greatest privilege of my life to be your dad and I’m endlessly proud / in awe of the little human you are, and the big human you’re becoming.\"

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