Andy Samberg causes chaos as he 'debuts baby daughter with Joanna Newsome on Conan'... before performing 'the worm' with her

They've kept their baby girl under wraps since she was welcomed into the world last month.

And Andy Samberg, 39, caused chaos as he 'introduced' his daughter with Joanna Newsome, 35, on The Conan O'Brien Show on Wednesday night.

The Brooklyn Nine-Nine actor burst through a curtain with what appeared to be an infant strapped to his chest in a baby carrier - but all was not as it seemed. 

Scroll down for video

Oh baby! Andy Samberg, 39, caused chaos as he 'introduced' his daughter with Joanna Newsome, 35, on The Conan O'Brien Show on Wednesday night

Oh baby! Andy Samberg, 39, caused chaos as he 'introduced' his daughter with Joanna Newsome, 35, on The Conan O'Brien Show on Wednesday night

Isn't she lovely: The Brooklyn Nine-Nine actor burst through a curtain with what appeared to be an infant strapped to his chest in a baby carrier - but all was not as it seemed

Isn't she lovely: The Brooklyn Nine-Nine actor burst through a curtain with what appeared to be an infant strapped to his chest in a baby carrier - but all was not as it seemed

Host Conan O'Brien began by introducing the star to the audience.

He said: 'He also has a brand new baby girl and check it out ladies and gentlemen, he has brought her with him.'

But the big unveiling soon took a comic turn as the Saturday Night Live alum began to hi-five the screaming studio audience while excitedly thrashing the 'baby' around.

Hi-fives: The big unveiling soon took a comic turn as the Saturday Night Live alum began to hi-five the screaming studio audience while excitedly thrashing the 'baby' around

Hi-fives: The big unveiling soon took a comic turn as the Saturday Night Live alum began to hi-five the screaming studio audience while excitedly thrashing the 'baby' around

It wasn't until the Storks actor chest-bumped an NFL player with the baby attached that all doubt was removed that the tot was just a dummy.

The skit continued with Samberg performing the break dance move known as 'the worm'... right on top of the 'child'.

Samberg then slid chest first down a slippery mat and into assembled ten pins.  

No children harmed: The skit continued with the star performing the break-dance move known as 'the worm'... right on top of the 'child'

No children harmed: The skit continued with the star performing the break-dance move known as 'the worm'... right on top of the 'child'

Strike! Samberg then slid chest first down a slippery mat and into assembled ten pins

Strike! Samberg then slid chest first down a slippery mat and into assembled ten pins

The comedian then proceeded to climb the stairs into the studio audience, before leaping off and bodyslamming a wrestler.

After which a ref tapped the fallen man out and declared Samberg - baby still attached - the triumphant winner.

All while host Conan watched on, shaking his head in mock disbelief.

Here comes the pain: The comedian then proceeded to climb the stairs into the studio audience, before leaping off and body-slamming a wrestler

Here comes the pain: The comedian then proceeded to climb the stairs into the studio audience, before leaping off and body-slamming a wrestler

Tapped out: A ref tapped the fallen man out and declared Samberg - baby still attached - the triumphant winner

Tapped out: A ref tapped the fallen man out and declared Samberg - baby still attached - the triumphant winner

Winner: The star seemed to enjoy his very entertaining appearance on the talk show

Winner: The star seemed to enjoy his very entertaining appearance on the talk show

Unbelieveable: Host Conan O'Brien watched on, shaking his head in mock disbelief

Unbelieveable: Host Conan O'Brien watched on, shaking his head in mock disbelief

The Tour de Pharmacy star continued to joke about his new daughter throughout the interview.

While recounting a star-studded dinner he attended at Conan's house with fellow funnymen Fred Armisen (Portlandia), Martin Short (Three Amigos) and Steve Martin (Dirty Rotten Scoundrels), Samberg said: 'It was the greatest night of my life.'

Conan shot back: 'But wait, you just said you had a child.'

'Yeah, but don't tell anybody I said that,' joked Samberg.  

Happy news: The couple have kept their baby girl under wraps since she was welcomed into the world last month (pictured in May 2016)

Happy news: The couple have kept their baby girl under wraps since she was welcomed into the world last month (pictured in May 2016)

Funny man: The Tour de Pharmacy star continued to joke about his new daughter throughout the interview

Funny man: The Tour de Pharmacy star continued to joke about his new daughter throughout the interview

Wonderful evening: While recounting a star-studded dinner he attended at Conan's house, Samberg said of the evening: 'It was the greatest night of my life.'

Wonderful evening: While recounting a star-studded dinner he attended at Conan's house, Samberg said of the evening: 'It was the greatest night of my life.'

News that the SNL veteran and his actress wife had welcomed their first child together broke in August. 

The addition came as a surprise to fans, as the couple didn't broadcast Joanna's pregnancy.

The date of birth wasn't specified either. 

The couple married in 2013 in Big Sur, California after a seven month long engagement. 

Mom and dad: The couple married in 2013 in Big Sur, California after a seven month long engagement (pictured in September 2015) 

Mom and dad: The couple married in 2013 in Big Sur, California after a seven month long engagement (pictured in September 2015) 

 

The comments below have not been moderated.

The views expressed in the contents above are those of our users and do not necessarily reflect the views of MailOnline.

We are no longer accepting comments on this article.