By Mia O’Hare The Fun House twins have stunned with their youthful looks, 25 years after appearing on the popular kids’ show. Melanie and Martina Grant were just 16 when they shot to fame on the CITV show. They worked on the programme for ten years, up until it came to an end in 1999. The sisters now look almost identical to their teenage selves, years on from appearing on screens. Both stars shared a selfie together as they celebrated their 51st birthday. They poked fun at their youthful appearance, as Martina wrote: “Happy birthday to us my Mel, wow 25 still so young!” On the classic kids sh…