It was revealed recently that actress Park Han Byul asked her boyfriend Se7en for advice on how to pull off a seductive dance for her new movie. In "My Black Mini Dress," the actress plays the role of 'Hye Ji', who's been a celebrity since birth and lives a privileged lifestyle. She is a club maniac, so Park Han Byul was scripted to perform a sexy dance in one of the scenes. For the dance scene, it was revealed that the actress practiced for two months in order to pull it off. She majored in traditional Korean dance, and so when she was required to dance to a song with faster beats, she felt that she had to ask Se7en for advice, in addition to watching many dance videos. The sexy dance was filmed in the beginning of February for more than four hours. The actress reportedly received praises from the staff for holding herself together and dancing fabulously among the professional dancers. "My Black Mini Dress" is a chick flick that tells the story about four friends - played by Park Han Byul, Yoon Eun Hye, Cha Ye Ryun and Yoo In Na - and is set to be released on March 24th. Check out her dance clip below! Source: Seoul NTN