FIESTAR have revealed a behind-the-scenes look at their music video for "Apple Pie"!

SEE ALSO: Stella Jang describes how she dreamed of becoming a rapper while listening to Big Bang's songs

The girls show you how they made the delicious treat, and fans get an inside look at the filming. Jei comments that it's a historical moment as Yezi actually wore a red ribbon in her hair, Jo Se Ho shows up to support his 'We Got Married' wife Cao Lu, and the members say they're a lot more upbeat because of the upbeat song.

Check out FIESTAR's yummy "Apple Pie" making-of above!