Jang Nara recently showed off a more revealing and mature look for 'Lady Kyunghyang' magazine's December issue.

The singer and actress is seen perfectly pulling off the 'high class sexy' concept by gracefully donning a black shimmery dress from designer Lie Sang Bong's F/W collection and revealing her bare back, surprising fans and netizens alike.

Jang Nara's official fan club stated, "Jang Nara is working hard to show a more diverse image. Please look forward to Jang Nara as she works hard to meet her fans and viewers with an upgraded version of herself."

In other news, Jang Nara will be starring in the upcoming drama 'School 2013' to premiere on December 3rd.