Daily Star's biggest headlines straight to your inbox!Collin Morikawa clinched his first Open Championship victory on Sunday evening - and he couldn't have got there without girlfriend Katherine Zhu.Morikawa, 24, held off the challenge of Jordan Spieth to claim victory at the Royal St George's Golf Course in Kent, England.The American was supported all the way by stunning partner Zhu, who is also a golfer and, on occasion, has served as a caddy for him.He first met the Vancouver-born sensation, who spent four years playing at Pepperdine University and collecting several WGCA All-American honours, through college golf at California and they soon hit it off.They began dating in April 2017 and remain together to this day, with Zhu even spotted.
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