Can YOU tell how old she is? Super-fit mother looks so young people think her 22-year-old son is her boyfriend
Liu Yelin got her first job in 1985, aged 17.
More than three decades later, the ex-librarian, who has already retired, doesn't look much older.
With glowing skin, a super-toned body and not a single wrinkle in sight, China-born Ms Liu has stunned millions of people with her incredibly youthful looks.
Can you believe she's nearly 50? Liu Yelin, from China, rose to fame for her youthful looks
Stay active: The woman, 49, said many people wouldn't believe her when she revealed her age
Social media star: After posting her pictures on Weibo, Ms Liu has got 75,000 followers
Not a couple: Ms Liu (pictured with her son) said she's often mistaken for her son's girlfriend
Proud mother: Ms Liu said he son, 22, works as an assistant at a film production company