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Amanda Seyfried has given birth to her second child with husband Thomas Sadoski after a secret pregnancy.
The 34 year old had not revealed she was pregnant, but has surprised fans by announced she has welcomed a baby boy.
Mamma Mia! star Amanda and 44 year old Thomas, who is also an actor, shared their happy news via two charities they support.
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War Child USA and the International Network for Air, Relief and Assistance posted the announced on their social media channels.
Sharing an adorable image of the bundle of joy, War Child USA wrote: "We are so happy to join with INARA to be the first to announce that our ambassadors Amanda Seyfried and Thomas Sadoski welcomed their second child into this world."
Amanda and Thomas said: "Since the birth of our daughter 3 years ago our commitment to the innocent children that are so brutally affected by conflict and war has been a driving force in our lives.
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"With the birth of our son the work of INARA and War Child has become our North Star."
Amanda, who shot to fame after playing Karen Smith in Mean Girls in 2004, and Thomas are also parents to a daughter named Nina, who was born in 2017.
Since finding fame alongside Lindsay Lohan in the chick flick, she has gone on to win critical acclaim as Cosette in the movie adaptation of Les Misérables and Sophie Sheridan in both Mamma Mia! and it's sequel Here We Go Again.
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Blonde beauty Amanda opened up on the possibility of having more children last year, telling People: "If it happens to you, you just make it work.
"I want to get pregnant again, but I'm not ready just yet to have a second.
"I would like my daughter to be in school and then have my own time with a new baby. But it's so hard to plan."
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