Bailee Madison as Snow White -- FIRST PIC!

Bailee Madison works beside Lana Parrilla in this new still from Once Upon A Time.

“Here I am as young Snow White:):):):) I’m Soo incredibly excited!!! Smiling, smiling, smiling! :D #OnceUponATime xo” the 12-year-old actress tweeted excitedly.

In the upcoming episode “The Stable Boy,” Emma (Jennifer Morrison) continues her exhaustive search for evidence that will prove Mary Margaret’s (Ginnifer Goodwin) innocence in the murder of David’s (Josh Dallas) wife, Kathryn (Anastasia Griffith).

Meanwhile, in the fairytale land that was and before evil blackened her soul, Regina (Parrilla) must choose between betraying her mother, Cora (Barbara Hershey), and marrying for true love, or betrothing royalty and living a regal – but loveless – life; and the event that caused the Evil Queen to loathe Snow White is revealed.

“The Stable Boy” airs Sunday, April 1st @ 8PM ET/PT on ABC.