More than just familiar. Padmé has gotten to know Artoo Detoo and C-3PO rather well. The former began his life as her droid, in fact, serving her when she was Queen of Naboo.

"Thank you for the reassurance." she suppresses a small shiver, tucking back a loose curl of dark hair. Being recognized is somewhat surprising and she tilts her head, nodding slowly.

"I am. Or...I was." yes, the latter is more correct, "How do you know about me?"