Peter Andre paid a touching tribute to his “hero” father on his 89th birthday. The ‘Mysterious Girl’ hitmaker shared a picture with his pop Savvas to mark the occasion and thanked him for inspiring him. He captioned a snap of the pair: “My father my hero. He turns 89 today. He said it’s only the first hundred years that are tough. It gets easy after that. “Love you dad. You have inspired me in every way, especially as a father. Thank you for everything as always.” Earlier this year, the 49-year-old pop veteran reunited with his unwell mother, Thea, after two years apart. Peter was overjoyed to…