The end of the year was coming (faster then most of them thought it would) and they were ending the year with special Christmas performances. MixxE Girls' was performing with Gugudan, their recent song 'Pretty Pretty', and Halo had a solo.

All nine girls were getting dressed for their collab performance. The girls were still a little awkward with each other, in terms of groups, but they did their best to try to work together to make a great performance. 

MixxE Girls' x Gugudan 'Santa Baby'

Hana = Eunji
Aero = Lee Sem
Alice = Sungah
Halo = Sera
Bori = Hyuna
Bay = Euaerin
​Nayoung = Kyungri
Sejeong = Hyemi
Hyeyeon = ​Minha

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​'Pretty 'Pretty'

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Halo 'O Holy Night'

After the performances both the groups went to a BBQ place together to celebrate together (all the members of Gugudan met the rest at the restaurant​). The girls had fun just eating and talking together before the start of 2018.

AN: Merry Christmas and Happy Holiday's everyone! And I give my condolences for family and friends of Kim Jonghyun (SHINee) who passed away on the 18th.