Elizabeth Olsenhas her siblings' backs.

And just because they are all famous doesn’t mean their loyalty to one another has changed.

Indeed, asScreen Rantreports, the twins were only nine months oldwhen they started filmingthe iconic 1980s show.

Elizabeth Olsen with Mary-Kate and Ashley Olsen

But it’s the support the “Avengers” star showed for Mary-Kate and Ashley that has Twitter talking.

“A more than great answer, that’s being a great sister.

She is totally right.

Elizabeth Olsen with Mary-Kate and Ashley Olsen

It is great to have brothers who are always there to defend you,” one supporter tweeted.

What a rude question to ask.

Glad she didn’t hesitate and shut him down real quick and with class.

Elizabeth Olsen is a queen, don’t ever try her."

“Who would ask that question like she’s not going to defend her family members????

“wonderedsomeone else (viaToday).