Ariana Grande looks sensational as she steps out in London for Wicked film premiere

The cast of new film descended on London tonight and Ariana Grande showed off her dazzling style on the red carpet.

Cynthia Erivo, and were among the Hollywood ensemble arriving at the Royal Festival Hall in London to show off the expected-to-be blockbuster hit. The appearances follow the stateside offerings, which also say Ariana and boyfriend Ethan Slater .

Pop princess Ariana, 31, looked glamorous as she rocked a striking yellow floor-length dress. The hitmaker appeared to be channelling legendary singer Celine Dion in her outfit, which featured netting across her shoulders and arms as she braved London's chilly temperatures.

Her glossy blonde tresses were swept back off her face into a neat bun as she posed for photographers. Despite the UK being plunged into darkness before 5pm, Ariana rocked a pair of retro-styled circular sunglasses.

Cynthia ditched her staple look from previous premieres and opted fro a flashy black dress with a ruffled design. The attire offered a thigh-high split with shimmering copper detail, while she wore bicep length gloves and a flamboyant headpiece to tie it all together.

Ethan Slater was also once again on hand to accompany his girlfriend. He opted for a dapper black suit matched with a black shirt, which he left with an unbuttoned neck. Michelle Yeoh, who plays Madame Morrible, also stunned on the walkway in a green and black maxi dress, with white trim.

Jeff Goldblum looked fantastic as he paired grey suit trousers with a light chequered tie and long black coat. The outfit stood out, however, for it's eye-catching blue fur collar. The star, who takes on the role of The Wizard, was accompanied by his wife Emilie Livingston, who dazzled in a ruffled dress with white sleeves. Jonathan Bailey also turned heads in a crisp white tuxedo.

The red - or green - carpet was also full of famous faces eager to see the production. Among them were and Hollie Rose Hughes,12. The youngster wore a short pale dress, while presenter Amanda donned an emerald green suit. Girls Aloud star Nicola Roberts also stunned while posing for pictures in a blue mini dress with floated train.

looked fabulous in an elegant off-the-shoulder cream design with matching sparkling gloves. And Strictly star Kai Widdrington suited up to accompany his partner for the dance show's special, Tayce, who wore a very short pink mini dress.

For the film, singing superstar Ariana has gone back to her Broadway roots as she stars as Glinda the Good Witch in the upcoming movie adaptation of the hit musical Wicked. The production is a retelling of the Wizard of Oz story that focuses on the friendship between Elphaba (Eriva), a young woman with green skin, and Glinda (Grande), who is a popular girl.

For the plot, the story takes place in the Land of Oz and follows the pals as they take on life-changing events. It was initially written by Gregory Maguire, with Jon M Chu the director behind the latest offering.

Ahead of the movie, toy giant had to earlier this month week after they of its Wicked dolls. The American toy company, which has been manufacturing toys since its establishment in 1945, was likely anticipating a great week after releasing a range of dolls inspired by the characters of Jon M. Chu's film adaption of the hit musical , but things

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