By Katie Wilson Amanda Holden made Paul Rudd blush when he appeared on her Heart Breakfast show this morning. The 53-year-old praised the seemingly ageless actor for how “fetching” he looked in his Ghostbusters outfit when he appeared on the show to talk about his new movie. Getting a bit flirty, Amanda teased: “You look so fetching in a boiler suit!” “Oh, I do? Oh my gosh, thanks!” the 55-year-old Hollywood star replied with a cheeky smile. Probing Paul further about his Ghostbusters boiler suit, Amanda went on: “It’s definitely for you. Is it comfy wearing one? Is it difficult when you need …