Sienna and Sierra are Niall Horan's sisters.. They're twins and they have been living with their aunt in America for the past 13 1/2 years! Niall has never met them and he is about to!!!!!!!!!!
Sienna and Sierra are Niall Horan's sisters.. They're twins and they have been living with their aunt in America for the past 13 1/2 years! Niall has never met them and he is about to!!!!!!!!!!
Mia Horan Is Niall Horan's Twin Sister. When Niall Joins One Direction, She gets to meet them . Her Dream Is To Become A Singer Or Dancer, With Her best Friends Emily And Jennifer. But What Happens...