'Frozen' Princesses On 'Once Upon A Time'? Star Makes Her Picks

We're not ready to let that cliffhanger go.

With reporting by Christina Garibaldi.

We're absolutely shivering with anticipation for next season's premiere of ABC's fairy tale spin "Once Upon A Time" after the current season closed out with a cliffhanger reveal of none other than Princess Elsa, the ice-cold ruler of Arendelle.

At the ABC upfronts this week, MTV News caught up with "Once Upon A Time" star Jennifer Morrison to get her thoughts on the surprise character introduction. There had been rumors for months that the "OUAT" creative team was obsessed with "Frozen" and wanted to integrate characters, but the appearance of a cape-wearing blonde shooting ice out of her fingers in Rumple's vault was still a massive surprise.

"I knew that there were conversations going on about it," Morrison said. "I didn't know it was going to actually happen."

The character hasn't yet been cast, and we haven't seen her face, but Morrison said she'd love if Idina Menzel or Kristen Bell, who voiced princesses Anna and Elsa in "Frozen," could make an appearance.

"I don't know with their schedules that that's feasible, but I'm a huge fan of both those girls and they would be an incredible addition to the show," she said.

"Once Upon A Time" will return to ABC next fall.

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