Billie Piper has given birth to her first child, a baby boy called Winston James Fox.
The Doctor Who star had her baby at a private hospital in London on Tuesday.
Her husband, actor Laurence Fox, told reporters that he feels "fantastic".
He said their baby was "beautiful" and "sweet" and that Billie was happy, tired and doing really well.
Billie is a huge star in Britain after starring as Rose in Doctor Who.