Casting their spell! Mila Kunis dazzles in purple gown at Russian Oz premiere... while Michelle Williams smiles through 'break-up' rumours

They've been jetting all over the world to promote new fantasy film Oz The Great And Powerful.
But Mila Kunis and Michelle Williams still managed to dazzle on the red carpet for the Russian premiere on Wednesday, despite their relentless schedule.
While Mila stood out in a sultry floor-length gown, co-star Michelle beamed despite her rumoured split from boyfriend Jason Segal, which emerged on Tuesday.

Vamping it up: Mila Kunis and Michelle Williams both opt for glamorous floor-length gowns for the Russian Oz premiere on Wednesday, as they pose with co-star James Franco

The Black Swan star vamped it up as as she continued on the promo trail, wearing a stand-out deep purple, strapless gown with a thigh-high split up one side.

 

Looking completely relaxed and in her element, despite the fact that she's been flying all over the world to promote the film, the 29-year-old posed for photos with one hand on her hip.
She wore her long dark hair in glamorous waves, which fell over one shoulder and opted for smokey eye make-up to complete her sultry look.

Jetting all over the world: The actresses have been flying from country to country to promote the Disney film, but still look fresh-faced

Still smiling: Michelle seems in great spirits on the red carpet as rumours circulate that she's split from boyfriend Jason Segal

Vintage style: Michelle wears a black and gold retro gown, evoking old school Hollywood glamour

Ashton Kutcher's other half seemed in great spirits as she chatted to co-stars Michelle and a newly blonde James Franco, after spending time together at a press conference earlier in the day.
Michelle, who is rumoured to have split from How I Met Your Mother star Jason after a year-long romance, also seemed on good form despite the news.
Embracing her chic elfin look, the 32-year-old wore a floor-length vintage style black and gold gown, paired with just a simple black bangle.

Hectic schedule: The stars have dedicated a lot of time to promoting their new fantasy films over the last few weeks

Sultry gown: Mila dazzles in her deep purple strapless gown, which has a thigh-high split up the side of one leg

Getting on well: The three co-stars seem to be getting on like a house on fire as they've spent a lot of time together over the last few weeks

She wore her cropped blonde hair slicked over to one side of her face and opted for simple, natural-looking make-up keeping the emphasis on the knockout dress.
It was revealed on Tuesday that Michelle and Jason, 32, had 'quietly ended their romance earlier this month' after struggling with the long-distance aspect of their relationship, according to Us Weekly magazine.
Jason lives in Los Angeles, California, where his CBS sitcom is filmed and Michelle lives with her seven-year-old daughter Matilda in New York.

A lot to cope with: Michelle looks at ease despite the fact that her year-long relationship is allegedly over