"Xena: Warrior Princess" Girls Just Wanna Have Fun ... - IMDb
: Becky Donaldson finds herself caught in the middle. Having recently married Jesse, she wants to be D.J.'s "cool" friend and confidante, but she also feels the responsibility of being a parental figure. When D.J. involves Becky in her lie, Becky must decide between keeping D.J.'s secret or being honest with Danny. [S4E24] Girls Just Wanna Have Fun
Because the title is a popular cultural reference, it has been used by other series, though often in different seasons or episode numbers: "Xena: Warrior Princess" Girls Just Wanna Have Fun