Peter Andre has spoken out on the 16-year age gap between him and his wife of seven years, Emily.MORE: Peter Andre shares rare photo of all his children as they mark special occasionThe Mysterious Girl singer was commenting on recent photos showing TOWIE's James Argent, 34, on holiday with his 18-year-old girlfriend, Stella Turian, when thoughts turned to his own marriage. WATCH: Peter Andre's wife Emily reveals drastic room makeover for son TheoWriting in his column for new! magazine, Peter admitted: "Age is a different thing to different people.