Sir Elton John’s new baby son Zachary is ‘living like royalty’ in his own £1.3 million apartment adjoining the singer’s exclusive Los Angeles pad. The Mail on Sunday has learned that Sir Elton, 63, and his partner David Furnish have appointed a top Hollywood interior designer to turn the flat beside their luxury home into a dream nursery. Although the work is not yet finished, several months after it started, eight-day-old Zachary is already installed there, and looked after by round-the-clock nannies. A New York television star who is a long-time friend of the couple said: ‘Elton and David have...