I may have dressed as Princess Leia when I was a kid, but I was never accompanied by a working, beeping, R2D2.
Here are two very cute Star Wars cosplayers with their dad’s R2 unit:
He’s not in the photo, but dad is off to the side, dressed as Indiana Jones.
And then there was this:
Boba Fett, in a sport coat, playing the Superman theme on an accordion.