f(x) Krystal shows her support for Jessica's 'FLY'

Love is in the air as f(x)'s Krystal is here to express her support for Jessica's 'FLY'.

Check out their lovely picture below~

"Krystal: my sis is flying 😘 #FLY"

♥ More of Krystal's updates here

Credits:
Krystal's Instagram