Hannah Simone has given birth.

The 'New Girl' actress and her husband Jesse Giddings have welcomed their first child into the world, a healthy baby boy, a representative for the 37-year-old star has confirmed to E!.

The couple are known to keep their personal lives private so details are being kept under wraps.

Hannah is thought to have given birth earlier this month but hasn't mentioned anything about her new arrival on her Twitter account.

In April, it was revealed the star was pregnant with 32-year-old actor and photographer Jesse's baby, and that the pair had secretly got married in June 2016.

The couple have never confirmed their relationship but are thought to have been together since 2014.

He has known to post some gushing messages about Hannah though, including one in 2015 when he congratulated the raven-haired beauty on a milestone appearance in 'New Girl', in which she plays Cece Parikh.

He wrote: ''Congratulations to the most beautiful, talented, fascinating, badass girl I know on 100 New Girl episodes shot this week!!! Here's to another 100!!@therealhannahsimone #Muse (sic).''

Hannah has previously admitted she was once chased by the paparazzi before she was famous because they thought she was reality TV star Kim Kardashian West.

She said: ''I remember when I first moved to Los Angeles from Toronto, eight or nine years ago, I was coming out of a restaurant and I had my bangs and a high ponytail and Kim had just got cut bangs.

''I wasn't on a show - nothing. And then all of sudden this herd of paparazzi was chasing me down a street screaming, 'Kim!' I didn't know what was happening, I didn't know who Kim was.

''It wasn't until a friend down the road yelled at me, 'They think you're Kim Kardashian!' I was like, what the heck?'

''That's the closest I've ever gotten to a Kardashian: being mistaken for one.''