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By DAILY MAIL REPORTER
Just wizard: Clad in a slinky black dress, Emma Watson arrives at the New York premiere of Harry Potter and the Deathly Hallows Part I last night Emma Watson brought a little black magic to the red carpet at the New York premiere of Harry Potter And The Deathly Hallows last night.
The actress dazzled onlookers in a slinky floor length dress and heels, with a gold glittery clip in her new pixie hairdo as she arrived at the Alice Tully Hall in Manhattan.
She was joined on the red carpet by her Harry Potter co-stars Daniel Radcliffe, Rupert Grint and Tom Felton.
Ready for my close up: The actress receives a quick touch up in the car before stepping on to the carpetSarah Jessica Parker, Matthew Broderick, Gabourey Sidibe and Madonna's daughter Lourdes Leon also turned out for the occasion.
While Emma may have looked effortlessly chic, there was of course a team on hand to make sure her look was just spell-binding.
A make-up artist was spotted topping up her foundation with a pink sponge in the back seat of her car just moments before she faced the cameras.
Once on the red carpet, she turned around to reveal a sophisticated backless number with crossover straps.
The actress revealed her dress had been designed specially for her by Calvin Klein.
'I asked Calvin Klein if they would make a dress for me because I love their stuff and they did,' she told MTV News.
And after her dramatic change of haircut hit the headlines, she revealed she wouldn't be doing anything more to change her look.
Covered up: The 20-year-old actress covered up her slinky Calvin Klein gown with a long black coat as she left her hotel for the premiere'The hair is as dramatic as it goes,' she laughed. 'I think I'd have to shave it to get any more dramatic.'
'I'm loving it,' she added to E! News. 'I don't really miss it. I'm not going to lie. I can wash my head, in a basin, in a sink. Takes me like five minutes to get ready. It's great.'
Watson was spotted chatting to one of her style idols - Sarah Jessica Parker - who had brought her son James Wilkie.
'Her son is a big Harry Potter fan; we've spoken on a number of occasions. She's a big fashion icon of mine,' said Watson.
Fun times: Daniel Radcliffe, Emma Watson and Rupert Grint share a laugh on the red carpet of the new Harry Potter film
Dressed to impress: Daniel Radciffe and Rupert Grint look smart in suits as they arrive for the U.S. premiere of the penultimate Potter film 
He's not all bad! Tom Felton took along his girlfriend Jade OliviaWatson is currently studying at Brown University in the US where history classes are her favourite.
She admits it can be tricky juggling her education with fame.
'It is pretty tough,' she says. 'But I have to be very organised with my time and just do my best.'
Meanwhile, Radcliffe has been preparing for the Broadway revival of How to Succeed in Business Without Really Trying, which opens in March.
'I'm doing a huge amount of singing lessons and dancing lessons,' he said.
Family affair: Matthew Broderick and Sarah Jessica Parker took along their son James Wilkie
Magical moment: Little James Wilkie seemed thrilled to be meeting the actress'Before I started work on [the film The Woman in Black], I was doing nine hours a week of dance and eight hours a week of singing, so if I screw up, it's not for lack of trying.'
Radcliffe dismissed rumours there could be another Harry Potter book from J.K. Rowling, revealing the author sent him a text after last week's London premiere.
'Basically, it amounted to the fact that she felt I had been very good in this Harry Potter film, and as a reward for that, she wasn't going to [write] any more Harry Potter [books], he revealed to MTV News.
'I'm sure she will be writing other books,' he continued. 'But I can pretty much guarantee that Harry will not be a feature.'
VIP arrivals: Madonna's daughter Lourdes Leon turned out for the screening along with Precious star Gabourey Sidibe 
Stylish: Emma Watson poses for photos outside the studios after filming the Late Show with David Letterman to promote her new movie
Laugh a minute: Daniel Radcliffe shares a joke on the Late Night with Jimmy Fallon show
Promotional tour: Rupert Grint discusses the new film on ABC's 'Live with Regis and Kelly', left, while Emma Watson is photographed on her way to the Late Show with David Letterman in New Yorksource: dailymail
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