Genius duo 15&'s Park Ji Min and Baek Yerin have become even prettier!

Both Park Ji Min and Baek Yerin uploaded a photo each to their respective personal social networking sites. It's obvious from the photos that both of them have gotten much prettier.

In Park Ji Min's photo, you can see that Park Ji Min lost a lot of weight. As a result, her facial features are much sharper and more prominent than before. On the other hand, Baek Yerin shows off her toned body and fresh charm in her photo.

Netizens who came across these pictures commented, "Wow, Park Ji Min has gotten so much prettier" and "Baek Yerin really knows how to dress well," to name a few.

15& has been busy with their online YouTube channel 15& Sound, which they update on a regular basis. They also attended 2PM's latest Japanese fan meeting, in which they appeared as guests.