Margot Robbie has worn one showstopping look after another while promoting "Barbie," from vintage pieces to custom gowns.

Costume designer Mona May curated over 300 pieces, including Manolo Blahnik feather slides, Chanel sneakers and Dior combat boots for the film's 30th anniversary.

The Barbie star reunited with Ken for the screening, who made Robbie laugh as he sat alongside her during the Q&A. Ryan Gosling looked suave in an unbuttoned black-and-brown knit cardigan by King & ...