Red Velvet and ASTRO made their long-awaited appearance on 'Sugarman 2' this week.

On the 3rd episode of 'Sugarman 2' which aired on January 28, the two idol groups took the stage by storm by putting their own spin into some Korean classics and modernized them to fit 2018 in a much smoother fashion. ASTRO covered K-pop's "Shadow" while Red Velvet performed Se Se Se's "Leaving". Both groups gave mesmerizing renditions of the classics that combined both great singing and dancing.

Check out ASTRO's and Red Velvetperformance below.