Lead actresses Ariana Grande (Glinda) and Cynthia Erivo (Elphaba) have been making the rounds in their fabulous outfits, and Monday night was no different for the movie's London premiere. Cast members Jeff Goldblum, Michelle Yeoh, Ethan Slater, Bowen Yang and Jonathan Bailey were among those on the green carpet.

Ariana Grande was spotted ditching her signature pink for a butter yellow ensemble at the London premiere of "Wicked: Part One."

We know she's method dressing on the Wicked press tour, and this is the hidden meaning behind her look for the London premiere

The cast, including Grande, Cynthia Erivo, and Jeff Goldblum, were on hand to show off the expected-to-be blockbuster hit on the red carpet

Ariana Grande and Cynthia Erivo were among the Wicked stars to take to the red carpet in London as the promotion for the eagerly anticipated movie continues

See photos of the U.K. premiere of "Wicked" Monday with Cynthia Erivo, Ariana Grande, Jeff Goldblum, Michelle Yeoh, Jonathan Bailey and others.

Singer and actor Ariana Grande paid homage to the original Wicked stage production by swapping her typical pink dresses for a lemon ballgown for the film’s London premiere. At such a critical moment in US history, we need reporters on the ground. Your donation allows us to keep sending journalists to speak to both sides of the story.

ARIANA Grande and Cynthia Erivo dazzled at the UK premiere of the musical movie Wicked tonight. The duo had all eyes on them as they posed for pictures at The Royal Festival Hall on the green

Ariana Grande and Cynthia Erivo once again paid homage to their Wicked characters in the most fashionable way. Grande, 31, and Erivo, 37, stepped out in looks that reminded Us of the costumes their Broadway counterparts wore while performing “One Short Day.