One of the cutest celebrity sibling pairs, JOO and BTOB's Ilhoon, got together for a fun photoshoot and interview with 'InStyle'! 

In the photoshoot, the two went for a retro look with Ilhoon as the photographer and JOO as the actress. During the photoshoot, Ilhoon was said to have become a 'pose god' as he was a natural, and JOO was said to have pulled at his ears as a counterattack, making the staff laugh.

Ilhoon talked about his sister debuting before him, "When nuna debuted as a high-teen singer, people around me called me 'Joo's dongseng,' and I resented that. That was the time I had the '7th grade disease,' and I thought that when I grabbed the mic, I had the entire world."

He continued, "I started music without my family knowing, and I debuted. Ever since I was a trainee, I found out what hardships my sister was going through, and I had sympathy for her, and we became closer. We couldn't be any closer now."

JOO spoke about her career by saying, "In the world of singers, the space for female ballad singers is small, and it's true I considered [changing] the direction of my music. But there are still a lot of people who like my songs 'Because of a Man' and 'Bad Guy', so I am confident in my new album."

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You can read the rest of their interview in the May issue of 'Instyle'!