American Stacy Lewis has won the North Texas LPGA Shootout after she shot a seven-under par, 64 to ease to victory.
Lewis began the final day at Las Colinas Country Club tied for the lead with South Korea's Meena Lee but blew all the contenders away as she strolled to a six-shot victory.
The winning margin was the largest in the LPGA since Jiyai Shin won the 2012 Women's British Open by nine strokes.
The world number three finished on an impressive 16-under, 268, for the tournament after 72 holes.
The win means the 29-year old has finally ended a run of near misses that have been haunting her for months. Lewis had finished second in six of her last 16 tournament but made sure that she went one better in Irving.
Lewis was delighted that she was able to forget about the previous second placed finishes and win a tournament in style.
"I've been wanting to do this for a long time. I kind of have these mini goals in the back of my mind," Lewis told reporters.
"One of them was kind of taking a tournament and running away with it. ... So to be so close the last few weeks and then to come out and shoot 64, I mean I don't even know what to say."
Lewis, whose win represented her ninth LPGA Tour victory, will now move up to second place in the world rankings. It was her first triumph since August in the Women's British Open.
The American got off to a steady start but after making her first birdie on the third hole she kicked on for a eagle on the seventh.
She holed a 25-foot putt off the fringe to make the eagle and didn't look back as she carded back-to-back birdies on the eighth and ninth to sit on 14-under at the turn.
Lewis hit every green in regulation on Saturday but often failed to hole birdie opportunities. When she admits that momentum was built after a few birdies on the final day.
"Honestly, I didn't change anything. I didn't do anything different," she said. "They just didn't go in (Saturday). ... But once you see putts in, it's kind of contagious."
Lee, meanwhile, was struggled for consistency as two birdies were equaled out by two bogey to keep the 32-year old on nine-under after the front nine.
Lewis' only blemish came after a bogey on the 11th but instantly forgot about that with a birdie on the following hole. Further birdies on the final two holes confirmed an impressive victory.
Lee could only card a one-under 70 to secure second spot with American Michelle Wie one shot further back after a final round of 67.
South Korean Na Yeon Choi and Kim Kaufman were in a tie for fourth after carding final rounds of 69 and 70 respectively.
A handful of players finished on seven under for the tournament including American quartet Lexi Thompson, Cristie Kerr, Christina Kim and Dori Carter as well as Dewi Claire Schreefel of the Netherlands and Norway's Suzann Pettersen.
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