Katie Boulter and Alex de Minaur have shared a short clip of them both celebrating together after a monumental weekend for tennis’ power couple. The two have been dating since March 2022 with both supporting one another on a regular basis. Their relationship was on full show on Sunday when De Minaur took a 6am flight from Mexico to California in order to make it in time for his girlfriend’s final in San Diego. The Aussie tennis ace had just defended his title in Acapulco the day before, but held off celebrating into the night to make sure he caught the flight. He was in the crowd to witness Bo…