Margot Robbie, 33, and Ryan Gosling, 42, are among the big Hollywood names who will walk the pink carpet in Leicester Square, central London later today.
Barbie mania hits London as fans queue from 3am to see Margot Robbie and Ryan Gosling at UK premiere standard.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from standard.co.uk Daily Mail and Mail on Sunday newspapers.
Critics are praising both flicks and there is a Oscar buzz for some of the leading stars, most notably Margot Robbie (Barbie), Ryan Gosling (Ken), and Cillian Murphy (J. Robert Oppenheimer).
The cast of the Greta Gerwig blockbuster will walk the pink carpet from 5.45pm for its first showing in Britain at the state-of-the-art Cineworld in Leicester Square.