Spain’s King Felipe and Queen Letiziapretend to be loving husband and wife in public — but the contentious couple is secretly living separate lives as her wandering eye has torpedoed their 20-year marriage, RadarOnline.com has learned. Royal watcher Jaime Peñafiel, 91, says the European monarch, 56, and his glam gal, 51, are simply “keeping up appearances by performing palace duties as a duo. “I don’t think they even live under the same roof,” he scoffed. “Felipe is a good person. He’s putting on a brave front, and Letizia has done him a lot of harm.” Peñafiel’s explosive 2023 biography Letizi…