Billie Piper and Laurence Fox have reveled the name of their second son, who made his entrance just a week ago.
The new arrival is called Eugene Pip - Lewis actor Laurence posted on his Twitter account.
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He also gave a sneak peek of his new son, posting adorable pictures of the one-week-old's feet and hands.
Just like their first son Winston – who is now three – the couple picked a traditional first name.
There has been speculation his middle name is a tribute to the character Pip from Charles Dickens' classic Great Expectations.
Following Eugene's birth last Thursday, Laurence tweeted: "One born every minute. We had our minute today. Couldn't be happier. Beautiful boy. Everything fine."
Laurence wed Billie in December 2007 a year after they met while starring in West End play Treats.