John Travolta's four-year-old son Benjamin in rare TV appearance

hellomagazine.com

He's fronted many box office-toppping films over the decades, but John Travolta's' take your children to work' day didn't go quite as smoothly as his silver screen productions. The Pulp Fiction star was proudly talking to chat show host David Letterman about his son Benjamin and even offered to have him come on stage. However, four-year-old Ben – who was was there with mum Kelly Preston and sister Ella,15 – had other ideas.

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Until now John and Kelly have tended to keep Ben out of the spotlight

John started by telling the host of The Late Show that he had bought a truck to have some fun with his children.

The 61-year-old said: "First time in my life, I bought a red Dodge Ram pick-up truck, a big one, and he loves it – Ella loves it. I take him for rides. I took him to Toys R Us recently.

"When we got out of the truck I said to him 'Why are all these people wanting my photograph?' because I didn't know if he knew I was in films or not. Then he said, 'Maybe they saw one of your movies'.

And then he said, 'I want to work with you.' So tonight maybe he can come on and say hi to you'."

To which David quipped: "I hope he hasn't gone over to (Jimmy) Fallon", referring to one of his rivals.

Ben expressed an interest in seeing his father at work

However, when Ben's big moment came he clung shyly to his mother. Even when his father tried to coax him out by telling him: "It's ok" the youngster vehemently refused.

This prompted their host to joke: "I think we've got a place for him on the staff."

However he was shown behind the scenes, allowing viewers to see that he's inherited his father's good looks and blue eyes and his mother's fairer colouring.

Ben was born after the couple's other son Jett died of a seizure in 2009. Kelly described the birth of the little boy when she was 48 as a miracle. "We tried for several years, and we didn't think it was going to happen for us," she said.