Girls/women can't pray outside their house if they have perfume on. Unfortunately, they have to go home and do ghusul, because in that case it's like they committed zina.
It's a hadith by our prophet (SAAWS) says that if a man smelled the women's perfume, it's The same as committing a zina.
STAI LEGGENDO
Islamic Facts and jokes
Casualemost of the jokes here are translated from Arabic. hope you enjoy it ;) Ps. If you think you're going to be offended please kindly don't read