After School's Jung Ah previously mentioned that she was able to form abs that she never had before by pole dancing and she finally unveiled those abs!

The After School leader tipped her hat to the proof of her hard work and looked fierce in her crop top t-shirt, making it easy to spot her defined abs. 

SEE ALSO: After School's Nana shows her bruises from six months of pole dancing on 'Star King'

After School have been leaving fans breathless with their sexy comeback for "First Love" and will leave for Hong Kong this week to bring their sexiness overseas!