Scarlett Johansson's Golden stitch

U.S. actress Scarlett Johansson poses during a solidarity cocktail benefit for cancer in Madrid December 2, 2008. [Agencies]

Scarlett Johansson had to be sewn into her dress after it split at the Golden Globe Awards.

The 24-year-old actress admits she was desperate to show off her svelte figure in a skintight floor-length, peach Roland Mouret gown but was stunned when the outfit burst at the seams because it was too tight.

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She said: "I wanted this Roland Mouret dress I wore to the 2005 Golden Globes to be really tight. But when I sat down in the car, I just heard, 'Zzzz!' And the back of my dress split! I had to be sewn back in!"

Scarlett - who is married to actor Ryan Reynolds - also revealed despite her current ash blonde hair, she hasn't ruled out experimenting with the colour again in the future.

She added to Britain's Glamour magazine: "I loved the white hair colour I had in 2007. And I loved it with the dark brow. Would I go back to it? Not anytime soon. It's hard on your hair. I just wanted it as white as I possibly could, like cream."