Idol boy group 2PM's Ok Taec Yeon and actress Lee Yeon Hee revealed their black and white selfie.

Ok Taec Yeon tweeted today, "Marriage Blue ranked the top in the box office today. I am posting this picture to celebrate it!" with a black and white self-taken picture of Ok Taec Yeon and Lee Yeon Hee.

In the picture, Ok Taec Yeon and Lee Yeon Hee are putting their faces together and making funny facial expressions. Although this is not a lovey dovey pose, the two looks as if they are an actual dating couple.

On the other hand, the movie "Marriage Blue," which premiered on November 21, 2013, recorded half a million audiences and ranked the top of the box office. Prior to the movie's premiere, the movie poster, which read "Are we in love?" unlike the romantic post of Ok Taec Yeon and Lee Yeon Hee, has amassed much attention for its suggestion of the couple's challenges.

Lee Yeon Hee in the movie plays So Mi, a nail artist who has been in the relationship with Won Chul (Ok Taek Yeon) for seven years.

"Marriage Blue" is a movie on four couples and the happenings a week prior to their marriages.

It films the four couples a week before their marriages. Kim Kang Woo, Kim Hyo Jin, Lee Hui Jun, and Go Jun Hee star in the movie in addition to the two aforementioned.