Leah Sava Jeffries & Iyana Halley Premiere New Movie 'Beast'

Leah Sava Jeffries and Iyana Halley look gorgeous on the carpet at the premiere of their new film Beast held at Museum of Modern Art on Monday evening (August 8) in New York City.

The young actress took a break from filming Percy Jackson and the Olympians to join her on-screen sister at the event.

Also in attendance was their on-screen dad Idris Elba, with his wife Sabrina and daughter Isan, as well as Sharlto Copley, director Baltasar Kormakur, writer Ryan Engle and EP Jaime Primak Sullivan.

“Last Night I had such a great time – EPIC EVENING – feeling blessed celebrating all the hard work!!! Beast Movie World Premier NYC!!!” Leah shared on Instagram the next morning.

“This is MY moment. I waited all my life. I can tell it’s time. 🙌🏾” Iyana said on her page. “BEAST movie premiere. WOW! Dreams do come true. I had the best time ever.”

Watch the trailer and learn about Beast here!

FYI: Iyana is wearing Dolce&Gabbana. Idris is wearing Gucci.

Click through the gallery to see more photos from the Beast premiere…