Katie Holmes Goes Sexy As Blake Lively Is Super Chic At Concert For Sandy Relief

They certainly showed their interest in fashion

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They are both Hollywood actresses' with a penchant interest in the fashion industry, so Katie Holmes and Blake Lively were bound to have a great deal to talk about last night.

The two gorgeous stars were seen gracing the red carpet in their colourful ensembles backstage in the press room for the 12-12-12 Concert for Sandy Relief held at Madison Square Garden in the Big Apple.

And not only did the ladies look fabulous in their vibrant designer glad rags, they brought home the bacon for the event just by bringing some star power to help raise money for the Robin Hood Relief Fund.

Blake goes leggy whilst Katie opts for sultry sex appeal at the Sandy Relief bash - Wenn

Blake appeared on stage during the show to talk about a derelict house in Connecticut and introduced an acoustic performance from Chris Martin in a pretty orange Isabel Marant dress emblazoned with studs.

The Gossip Girl actress displayed her endless legs in the mini number which gave off a youthful, fresh vibe rather than an overtly sexy one, pairing the look nude mesh Christian Louboutin ankle boots to further elongate her pins.

Blake shows off her incredible figure and amazing smile in her studded orange dress - Wenn

She kept her make-up as natural as her trademark look from the teen drama, simply adding a slick of rosy lipgloss to add some night-time glamour – wearing her flaxen locks in tousled waves around her shoulders.

Meanwhile, Dawson's Creek star Katie Holmes made her way to the concert after her performance of Dead Accounts and hit the stage with Jason Sudeikis to present the story of ''Red Hook Rising.''

Katie Holmes looks super sexy in her two toned Tom Ford deep blue number - Wenn

The yummy mummy of little Suri Cruise decided to take the sexy screen siren look in a midi indigo Tom Ford gown featuring two toned velvet and semi sheer pannelling across the chest and skirt.

She teamed the showstopping number with black Tom Ford fetish stilletos as she wore her long brunette hair in loose curls, appearing to have applied a few hair extensions to help her along the way.

Staying true to her sexy theme for the evening, Katie ditched her usual natural make-up look for a sultry smoky eye and nude lips – and we have to say her next man is one lucky fella after seeing her in this dress!