Last Sunday's (November 2) episode of "Once Upon a Time" came with the huge reveal that Elsa (Georgina Haig) and Anna (Elizabeth Lail) had another aunt besides the wicked Snow Queen (Elizabeth Mitchell) -- an aunt that mysteriously disappeared years before the events of "Frozen."

Her disappearance was so devastating that all memories of Aunt Helga (along with her Snow Queen sister, Ingrid) were wiped out of Arendelle by Pabbie the Troll, but this being "Once Upon a Time," we knew it was only a matter of -- well, time -- before she showed up. And of course, once she arrived, there was a very large chance that Helga would be a Disney character we already knew... but could it possibly be famed puppy murderer Cruella de Vil?

Based on this E! report, all signs point to yes. The blonde-haired, blue-eyed "Frozen" look-a-like Victoria Smurfit officially joined the "Once" gang on Wednesday, and she made a bit of an "oopsie" when she tweeted "Super excited about playing Cruella for such an iconic show as @OnceABC," then quickly deleted it.

Cruella won't show up until later on this season, but her uncanny resemblance to both Elsa and her Auntie Snow Queen -- as well as the tendency the show has to make everybody related -- make it seem quite likely that she's the missing piece to this "Frozen" puzzle.