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The final guests, or "princesses", to appear and receive a makeover from the idol makeup artists were Cosmic Girls! 7 of the Cosmic Girls members appeared to each become partners with the 7 idol makeup artists - MC Super Junior's Heechul, Tony An, Block B's U-Kwon, BTOB's Eunkwang, MONSTA X's Shownu, NCT's Doyoung, and SF9's Rowoon. On this day, Shownu also expressed thanks to the staff by handing out rice cakes, due to the fact that after appearing on 'Lipstick Prince', he landed an endorsement deal with blush brand 'Addiction'. 

To introduce themselves, Cosmic Girls's Dayoung covered the dance to MONSTA X's "All In", Cheng Xiao showed off an upgraded zombie impersonation, and more. When the 1 on 1 makeup time began, Shownu impressed by boldly taking on this spring's trendy eyeshadow colors. 

Which idol makeup artist placed #1 on the final episode of 'Lipstick Prince'?