On the red carpet: Olivia Palermo

Fashion icon and IT girl Olivia Palermo wore a gorgeous Fifties flapper girl dress to the ACE awards in New York on Monday.

She accessorised with a tiny clutch, strappy lace-up stilettos and a gold necklace with a large pendant.

Sarah Jessica Parker kept it interesting at the premiere for new documentary series city.ballet in New York. She wore a blush ruche dress that she matched with a cropped black leather studded blazer and a vintage necklace.

Star of Thor: The Dark World Chris Hemsworth looked dashing at the LA premiere of the movie in a fitted grey suit, pastel blue shirt and co-ordinated tie that complimented his baby blues. He accessorised with perfect facial hair.

Actress Jaimie Alexander turned heads for all the wrong reasons at the premiere of Thor: The Dark World. She wore a tacky, floor-length dress with a sheer panel that revealed too much of her body. The overall look was cheap and unflattering.