The estranged wife of 'DIY SOS' presenter Nick Knowles has recently started dating 27-year-old RAF engineer William Babbage, after the pair met at her local pub. A source told The Sun: "She is really happy. It's no secret that at times she has struggled with the split. But she gets on with Will like a house on fire." Jessica, 30, has a three-year-old son Eddie with Nick, 55, and the TV star has met her new love. The insider added: "Nick was very polite.