Maddie Ziegler went on Instagram and shared a set of pictures.

The snaps were taken at the “West Side Story” premiere on December 7.

She attended the event in a long backless gown.

She wrote, “if you had ever told me i’d get the chance to be a part of a steven spielberg movie, i would’ve never believed you,” in the caption.

She added, “a dream doesn’t even begin to describe last night. thank you to steven and kristie and the entire west side story family. i can’t wait for everyone to see this beautiful movie.”

Maddie’s photos earned more than 900,000 likes in less than a day.

A follower wrote, “Head to toe perfection 😍❤️”

A second commenter added, “Maddie, you are so talented and I am so happy for you and proud of you!! You have come so far from this little girl! You’ve always done so amazing and like Holly said 'It’s just the beginning’!!!!"

The film will be released in theaters on December 10.