James Van Der Beek is to become a father for the fourth time.

The former Dawson's Creek actor and wife Kimberly announced on Instagram on Thursday that they are delighted to be expecting another baby.

Alongside a black and white picture of James tenderly touching her stomach, Kimberly wrote: 'So grateful to share with you today that we’re pregnant with our fourth child!'

Scroll down for video

'We're pregnant with our fourth child!' James Van Der Beek and his wife announced they are expecting another baby with an Instagram picture showing Kimberly tenderly cradling her bump on Thursday

The two already have daughters Olivia, five, and Annabel, 21 months, and son Joshua, three, together.

The 38-year-old actor retweeted his wife's message, adding: 'Feeling ridiculously blessed'.

Van Der Beek previously admitted before the birth of his third child that he was worried raising a large family would be 'tricky.'

A bit of a handful: Van Der Beek previously admitted before the birth of his third child that he was worried raising a large family would be 'tricky'

He said: 'There are moments where we will be dealing with the two, it will be a handful and I’ll think, "Well, this is about to get even trickier."'

But the CSI: Cyber star loves being surrounded by his family and relies on his kids to keep him grounded.

He has also said: 'The kids are the best home base you could possibly have.

'It tethers you to reality. I know that by the time I come home, I’ll be brought right back to earth.'

'So grateful!' The two, seen in June, announced on Thursday that they were expecting their fourth child

Business consultant turned lifestyle blogger Kimberly married James in Israel back in 2010, and they welcomed their first daughter a month later.

She is James' second wife - he was previously married to Heather McComb for seven years.

They had no children.