Doing her best to create the perfect Halloween party atmosphere while keeping all the guests glasses filled with Veuve Clicquot Champagne, 90210 star AnnaLynne McCord played host at LAVO Las Vegas Saturday and RadarOnline.com has all the pics!

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McCord, who fronted Veuve Clicquot's annual Yelloween bash, brought along her sister Angel and a group of friends dressed in Alice in Wonderland costumes. McCord and her crew attended the event to help benefit The Blind Project.

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McCord dressed up as The White Queen and her sister was Alice.

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The actress and her entourage danced the night away to the sounds of DJ Crooked and toasted to the event with the popular French Champagne.

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She also spent considerable time flirting with model Aaron O'Connell, People reports.  The two engaged in heavy flirting and the starlet was spotted sitting on his lap.

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