OnStyle's "Lipstick Prince" has come to an end as its final episode aired on February 16. The final guests, or "princesses", to appear on the "Lipstick Prince" and get a makeover from the idol makeup artists were Cosmic Girls. The seven members of the Cosmic Girls group appeared on the show on the day of the wrap and were each partnered with the seven idol makeup artists.

Allkpop reported that the seven makeup artist of "Lipstick Prince" include MC Super Junior's Heechul, Block B's U-Kwon, Tony An, BTOB's Eunkwang, NCT's Doyoung, MONSTA X's Shownu and SF9's Rowoon. On the day of the wrap of "Lipstick Prince," Shownu expressed profound gratitude to the staffs by handing out rice cakes.

His gratitude is reported to be due to the fact that he got an endorsement deal with blush brand "Addiction" following his appearance on "Lipstick Prince." Cosmic Girls's Dayoung covered a dance to MONSTA X's "All In," with Cheng Xiao showing off an upgraded zombie impersonation, and so much more, to properly introduce themselves.

Shownu is also reported to have impressed by boldly taking on this spring's trendy eye-shadow colors when the one on one makeup time began on the final episode of "Lipstick Prince," Scoopnest reported.Cosmic Girls, also known as WJSN which debuted in 2016, is a South Korean-Chinese girl group created by Yuehua Entertainment and Starship Entertainment.

The group is composed of thirteen members namely Bona, Cheng Xiao, Dawon, Dayoung, Eunseo, Exy,Luda, Mei Qi, Seola, Soobin, Yeoreum, Yeonjung and Xuan Yi. The members of Cosmic Girls are also separated into four subgroups representing each letter in "WJSN" which stands for Wonder, Joy, Sweet and Natural.

The group debuted with the release of their first extended play titled "Would You Like?" on February 25, 2016. The agency announced the name of its fan club, Ujung on January 11, 2017.