What he calls you
Zayn: He calls you babygirl as you are 9 years younger than him.
Niall: Niall calls you babe because he thinks you are soooo pretty being his sister.
Liam: LIam calls you cuddles (wierd I know) because when he cuddles with his little sister he warms up immediently.
Louis: He calls you trouble because you always prank him.
Harry: Harry always calls you a shorter version of your name.
