Declan Donnelly's mother Anne makes a surprise appearance on Stephen Mulhern's ...

It has become its own series after gaining popularity as a segment on Ant & Dec's Saturday Night Takeaway.

And Declan Donnelly's mother Anne makes a surprise appearance on Stephen Mulhern's In For a Penny on Saturday's episode.

The presenter, 42, is left stunned after he bumps into Anne on the street and admits her son Dec, 43, will go 'off his nut'. 

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Here she is: Declan Donnelly's mother Anne makes a surprise appearance on Stephen Mulhern's In For a Penny on Saturday's episode

Here she is: Declan Donnelly's mother Anne makes a surprise appearance on Stephen Mulhern's In For a Penny on Saturday's episode

Close bond:  Dec is pictured with Anne in January 2017, alongside Ant McPartlin and his mother Christine

Close bond:  Dec is pictured with Anne in January 2017, alongside Ant McPartlin and his mother Christine 

Speaking to the camera, Stephen says: 'It's time for our final game, In For a Penny, In For a Grand.

'You are not going to believe who I have just met... this is Anne, Dec's mum. Literally this is really Dec's mum, it's not a gag is it, Anne?' to which which Anne replies: 'No!'

However, things don't exactly go to plan when Anne admits that she doesn't have a penny in her handbag, with Stephen saying: 'Are you serious? Dec's going to go off his nut!'

Declan has a close bond with his mother Anne and even named his first child with wife Ali Astall in honour of her - with the name  Isla Elizabeth Anne Donnelly. 

Wow: The presenter, 42, is left stunned after he bumps into Anne on the street and admits her son Dec, 43, will go 'off his nut'

Wow: The presenter, 42, is left stunned after he bumps into Anne on the street and admits her son Dec, 43, will go 'off his nut'

Banter: He says: 'You are not going to believe who I have just met... this is Anne, Dec's mum. Literally this is really Dec's mum, it's not a gag is it, Anne?' to which which Anne replies: 'No!'

Banter: He says: 'You are not going to believe who I have just met... this is Anne, Dec's mum. Literally this is

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