Ariana Grande sings a duet with her big bro!

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Hey M Girls!

What could be better than watching one Grande star sing? Two Grande stars singing! In her latest vid, Ariana and her big bro, Frankie, sing a duet, in matching T-shirts -- how cute! Ariana wrote that her and her bro haven't sung the duet in four years! Check out the vid here:

So let's dish: -What do you think of Ariana's latest video? Do you think Ariana and her big bro should do more duets together? Would you wear a matching T-shirt with your brother?

Comment back!

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