The girls made playful expressions as they posed with pink and orange lipstick, illustrating a youthful and refreshing charm.

SEE ALSO: Kim Soo Hyun may incur 1.3 billion KRW (~887,093 USD) penalty after canceling Taiwan fan meeting

Jung Chae Yeon commented in an interview, "I always enjoyed trying out different things ever since I was little.  I like to experiment with various lip shades."  Jooeun also shared her own styling tip, "I also care a lot about my skin and putting on makeup.  Once I am done washing my face thoroughly with a foam cleanser, I apply lotion."

In regards to the group's newest member Jooeun, Jung Chae Yeon mentioned, "The atmosphere between us has become a lot more peaceful with the addition of a new member."  Jooeun added, "I've been so happy lately I haven't been able to get much sleep. I have been getting a lot of good advice from Chae Yeon and am very thankful."

Meanwhile, DIA is currently promoting their song "Will You Go Out with Me."