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January Jones, Emmy Rossum & More Attend The Metropolitan Opera's Gala Premiere of 'Manon'

Stars stepped out last night in NYC to attend The Metropolitan Opera's Gala Premiere of Jules Massenet's Manon, sponsored by Yves Saint Laurent.

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Mad Men's January Jones walked the carpet, along with Emma Roberts, Amber Heard, Chloë Moretz, Emmy Rossum, Barbara Walters, Patricia Clarkson and Christine Baranski

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January wore a gorgeous, long-sleeved black gown, while Emmy wowed in a bright purple, strapless dress.  

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