Lydia Ko MNZM was born in Korean but playing golf professionally under New Zealand flag.

She’s  a former No. 1-ranked woman professional golfer who achieved the top ranking on 2 February 2015 at 17 years, 9 months and 9 days of age, making her the youngest player of either gender to be ranked No. 1 in professional golf.

Lydia Ko weight loss: How did she lose 15-pounds?

Lydia lost weight by been active in sports.

After finishing runner-up to Suzann Pettersen in The Evian Championship in France, Ko announced that she would turn pro in 2014.

However, on 23 October 2013, she stated in a YouTube video featuring New Zealand rugby player Israel Dagg that she was turning professional immediately and would play her first professional tournament in Florida in mid-November.

She had been the top-ranked woman amateur golfer in the world for 130 weeks when she announced she was turning professional on 23 October 2013.

She finished tied for 21st in her pro debut at the 2013 CME Group Titleholders

ncG1vNJzZmifmJa7orLUqGWcp51kubqwyJpkpKddrLKqs8etZKWno6h6qbvWZpuinF2otaZ5y6iqnmVhanqxu9Snm6xn