Girls' Generation's YoonA showed support for 'Mama The Idol'. 

On February 5th, YoonA shared a snapshot of tvN's 'Mama The Idol' on her Instagram story, sending support for the crew members. Along with the picture, YoonA wrote, "Unnies are so stunning. Remembering the moments we promoted together." 

Meanwhile, the cast members of 'Mama The Idol' debuted as "Mama Dol (M.M.D)" with "WooAh HIP". Check out their debut stage performance below.