The 'X Factor' boss, who was raised a Roman Catholic - pledged a whopping 100,000 pounds in support of the Israeli army at a plush gala for the Friends of the Israel Defence Forces, sparking speculation the music mogul could be changing his religion for his pregnant girlfriend, reported Daily Mirror.
"Simon is getting increasingly excited about becoming a daddy. He really is embracing fatherhood and wants to be the first person to cradle his newborn son.
"He is open to reason on the subject of religion and the faith in which his son is brought up. But he is naturally inquisitive and really wants to visit Israel so that he can make a more informed decision," a source said.