American Stacy Lewis fired a superb seven-under-par 64 to cruise to victory in the North Texas LPGA Shootout.
The world No 3 started the final round tied for the lead with South Korea's Meena Lee but triumphed by six shots after charging to 16-under 268 for the tournament after 72 holes.
The 29-year-old, who will now move up to second in the world rankings, was claiming her ninth LPGA Tour victory but ending a frustrating run which had seen her finish second in six of her last 16 tournaments.
Lewis carded her first birdie on the third hole at Las Colinas Country Club in Irving but she made her decisive move approaching the turn with an eagle after holing a 25-foot putt at the seventh, followed by back-to-back birdies at the eighth and ninth to go 14 under.
Lee, meanwhile, remained on nine under at the turn after mixing two birdies with two bogeys on the front nine.
Lewis made her only slip of the day with a bogey on the 11th but she recovered immediately by birdieing the 12th and further birdies at the 17th and 18th sealed the victory in style.
Lee eventually signed for a one-under 70 to secure second spot on 10 under, with American Michelle Wie (67) one shot further back.
South Korean Na Yeon Choi (69) and Kim Kaufman of the USA (70) shared fourth place on eight under.
American quartet Lexi Thompson, Cristie Kerr, Christina Kim and Dori Carter all finished on seven under along with Dewi Claire Schreefel of the Netherlands and Norway's Suzann Pettersen.