MAMAMOO brought big laughs as guest stars on a comedy show! 

On the November 30 installment of SBS's 'People Searching for Laughter,' MAMAMOO made a surprise appearance in a segment called, 'Oh My God, Girl.' 

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MAMAMOO carried the bit flawlessly with their acting skills and also showed off their singing skills by doing some acapella! 

Watch MAMAMOO in action in the clip above!