Woo Hye Rim is a former member of the Korean girl group Wonder Girls, which debuted under JYP. Lim lived in Hong Kong for 14 years. She can speak Korean, Cantonese, Mandarin, and English. Originally, Lim was a part of the 5-member group in training in 2009. While still in training, the group flew to China, where they appeared in numerous variety shows performing dance routines and songs to showcase their talent to the Chinese audience. As the group had no official name, they were widely known to the Chinese audiences as "JYP Sisters" or simply as "Sisters". They were also dubbed by JYPE as the "Chinese Wonder Girls".
However, before the group could officially debut, two of their members withdrew, leaving only three of the members which included Lim herself as well as Jia and Fei. Then on January 22, 2010, she joined the Wonder Girls, after member Sunmi put her musical career on hiatus. She still keeps in contact with her former JYP Sisters, Jia, and Fei who officially debuted in a four-member group under the name of miss A.
She and Taekwondo athlete Shin Min Chul began dating in 2013 and got married in July 2020. They welcomed a baby boy on February 23, 2022.