Maria and Hannah were back at their boarding school in Bradenton, and big sis had run off to Atlanta.

Now it was big sis I was looking at.

And for Christ's sake don't blow your hand off, or my big sis will never speak to me again.

"You don't have to go too deep into psychology to see that the kid sister can't pick on big sis" (Robinson).

If you hear, answer your big sis!

Including my big sis.

Her big sis may have raked in millions for her mini-marriage, but it's Kendall Jenner .

Though Elle used to be mistaken for her big sis, she's now enjoying her own fame.

According to Ren's observation, she had always wished for having a little brother and thus Ren calls her "big sis".

What have you been doing, big sis?