SEE ALSO: SHINee Releases Announcement Poster for Encore Concert

First, Super Junior's�Heechul�and��Guo Xue Fu�(Puff)�went to an observatory. Heechul prepared a special video tribute in honor of their last day together. The two ended with heartfelt letters to each other and a warm hug. Do you think there were real sparks between this couple?�

SHINee's�Key�and�Arisa Yagi�had a more carefree, but equally�heart-wrenching�date. The two�showed off their matching star piercings, read sweet notes to each other and reminisced about the past. Key even made a special video that he surprised her with as she was walking down the street.�

Watch Key & Arisa's touching segment below.