Carey Mulligan and Marcus Mumford are first-time parents!
A source told E! News, "Carey has given birth to a healthy and happy baby. She is just enjoying this time with her family and close friends."
The baby's birth date, name, and gender have not yet been revealed, but the child's famous parents are already getting back to work.
Carey hit the red carpet, alongside Meryl Streep, at the British Film Institute's London Film Festival photocall and premiere on Wednesday to promote her new film "Suffragette."
Meanwhile, her Grammy-winning husband Marcus is set to resume his world tour with Mumford & Sons in November.