She often gets mistaken for her son's girlfriend and is being touted as the 'world's most youthful mother'.
Age is just a number for Liu Yelin, a 50-year-old from China.
One look at her pics and you'll easily mistake her for someone in their early 20s.
A retired librarian, she's a star on Instagram with followers wanting to know about her age-defying formula.
Born in 1968 in Henan Province, China, she has 28,000 followers on Instagram and more than 75,000 admirers on Chinese social media site Weibo.
These stunning pics from her Instagram profile will make you go Wow.
All photographs: Kind courtesy Liu Yelin/Instagram
Her Instagram feed is cluttered with pics of her working out, taking a walk or swimming.
In 2016, she set a challenge for herself and swam approx 12 km across the Strait of Malacca in four hours.
'I share my stories because I want to encourage more women to keep up exercising for a more beautiful and confident self,' she added.