(Adds quotes, detail)
WOBURN, England, July 30 (Reuters) - Ariya Jutanugarn, who likes to smile before going into her pre-shot routine, was grinning from ear-to-ear after surging two strokes clear of the field in the Ricoh Women's British Open third round on Saturday.
The 20-year-old Thai, who reeled off three LPGA Tour wins in a row in May, fired six birdies in a faultless 66 to finish on 16-under-par 200 in the fourth and penultimate major of the season at Woburn.
South Korean Lee Mi-rim (69), who led after the opening two days, was in second place on 202, three ahead of American Mo Martin (69).