Literally for the past five seasons. We've had some sort of "I am this person's sibling" and I cannot deal with it anymore.
BB14: I am Russell Hantz's Brother.
BB15: I'm Rachel Reilly's Sister.
BB16: Ariana Grande is my sister.
BB17: Julia & I are twins.
BB18: Cody's my brother. We like to kiss.
BB18: Vanessa is my sister.
thats it.