2NE1's Sandara Park revealed a special 'Sana Lisa' picture in celebration of MBLAQ's comeback! She released the photo soon after�MBLAQ dropped their�new song, "Mona Lisa". Her younger brother, Thunder, is known to be a member of the group. On July 12th, the idol wrote on her me2day, "With an expression like Mona Lisa~ What is really the Mona Lisa expression Blackies talk about?" She gave a hint saying, "Number 1! Sana Lisa with a fresh scowl! Sana Lisa with a sexy expression? Mischievous~ Cute Sana Lisa sticking out her tongue? Or the last Sana Lisa with a serious expression?". She also uploaded four different shots of 'Sana Lisa' that matched the descriptions she gave. Sandara added, "What is really Mona Lisa's expression that they talk about, and which expression looks the best? My expressions are so funny." Fans commented, "You're cute and funny", "Everything looks good", "I think it'd be better if you erased your eyebrows". Source: Star News via Nate