The 20 year old stars, singer IU and actor Yoo Seung Ho showed their interest for each other.

They appeared on the MBC program, 'Section TV Entertainment News' on the 2nd, and had an interview together.

When they were asked about their recent duet song, 'I Believe In Love,' and their photo shoot that they were filming together, they stated, "whenever we see each other, we're nervous."

Actor Yoo Seung Ho stated, "whenever we see each other, I get nervous." IU also added, "we become nervous together."

The staff members talked about their relationship and atmosphere during the interview and stated they were watching them with suspicious eyes.

Meanwhile, IU talked about becoming 20 years old. She stated her biggest deviation, was when she went to the late dinner and after party with 100 staff members. This was after the national tour concert she recently had. IU stated, "I did drink a lot of alcohol, but I'm still not sure if that was being drunk or not," and made people laugh.