Stacy Lewis watches her tee shot on the ninth hole during the rain-delayed second round of the Kingsmill Championship LPGA golf tournament in Williamsburg, Va., Friday, May 16, 2014. Lewis shot a 5-under-par 65 leaving her at 7 under for the two rounds. (AP Photo/Steve Helber)
Stacy Lewis smiles at her caddy as she lines up her putt on the ninth hole during the rain delayed second round of the Kingsmill Championship golf tournament at the Kingsmill resort in Williamsburg, Va., Friday, May 16, 2014. Lewis shot a 5-under 65 to leave her 7-under for the two rounds. (AP Photo/Steve Helber)
Stacy Lewis reacts after sinking her putt on the 18th hole and winning the North Texas LPGA Shootout golf tournament at Las Colinas Country Club in Irving, Texas, Sunday, May 4, 2014. Lewis finished the tourney 16-under to win. (AP Photo/LM Otero)
Stacy Lewis reacts after sinking her putt on the 18th hole and winning the North Texas LPGA Shootout golf tournament at Las Colinas Country Club in Irving, Texas, Sunday, May 4, 2014. Lewis finished the tourney 16-under to win. (AP Photo/LM Otero)
Stacy Lewis, left, is sprayed by Lexi Thompson, right, and Natalie Gulbis after winning the North Texas LPGA Shootout golf tournament at Las Colinas Country Club in Irving, Texas, Sunday, May 4, 2014. (AP Photo/LM Otero)
Stacy Lewis waves after winning the North Texas LPGA Shootout golf tournament at Las Colinas Country Club in Irving, Texas, Sunday, May 4, 2014. (AP Photo/LM Otero)
Stacy Lewis watches her shot land on the 10th hole during the final round of the North Texas LPGA Shootout golf tournament at the Las Colinas Country Club in Irving, Texas, Sunday, May 4, 2014. (AP Photo/LM Otero)
Stacy Lewis watches her tee shot on the first hole during the final round of the North Texas LPGA Shootout golf tournament at Las Colinas Country Club in Irving, Texas, Sunday, May 4, 2014. (AP Photo/LM Otero)
Stacy Lewis blasts out of the sand on the 11th hole during the final round of the North Texas LPGA Shootout golf tournament at Las Colinas Country Club in Irving, Texas, Sunday, May 4, 2014. (AP Photo/LM Otero)
Stacy Lewis reacts after just missing a putt on the 18th hole during the third round of the North Texas LPGA Shootout golf tournament at the Las Colinas Country Club in Irving, Texas, Saturday, May 3, 2014. (AP Photo/LM Otero)