Katie Cassidy was the only one who really impressed me at this event.

Jessica Stroup’s ‘Best Red Carpet Newcomber of 2009′ title is being strongly contested by this girl.

Katie was by far the best dress of the night wearing a watermelon Paule Ka Spring 2009 skirt with tulip bubble details, which she paired with a purple bustier trimmed with lace.

As always the pumps don’t really work for me, but everything else – including her Louis Vuitton Motard satin clutch – is perfection.

Noot Seear opted for an edgier/laidback look wearing a Phi Fall 2009 leather skirt with an asymmetrical exposed zipper and a white tank.

I really dislike the shoes with this look.

Editor-in-chief of Teen Vogue Amy Astley, arrived at this D&G sponsored party wearing a grape D&G Fall 2009 top with voluminous sleeves, paired with navy pants.

Kelly Osbourne’s D&G black satin dress was covered with black and white shamrock appliqués on the sleeves to make the dress more interesting.

“Dancing With the Stars” is paying off. She looks amazing.

Victoria Justice looks so grown up, but not too old in her poppy red BCBG Max Azria sleeveless shift dress.

The dress is covered with hundreds of red paillette’s which matches her ruby lips.

Naturi Naughton didn’t go all out this time.

Instead wearing a simple one-shouldered jersey dress, but add a bit of drama to her look opting for a large jeweled belt.

Chelsea Staub’s canary yellow dress would have stood out on the red carpet.

I love the gold detailed neckline on her BCBG Max Azria dress.

I love Miranda Cosgrove’s floaty ribbon print D&G dress.

It’s nice, but not too cutesy.

It very much suits her style and personality.

I feel a bit disappointed by AnnaLynne McCord’s look.

I expected her to be in the same league as Katie, but I’m really unimpressed by this look.

Jessica Lowndes wore a cute strapless dress with a sequined bodice plus a black and white skirt.

I feel like I see this look on Jessica quite a bit.  I love her to try something new.

Lily Collins opted for a black D&G strapless dress.

Selena Gomez wore a silky black and grey ensemble.

Ashley Tisdale wore a Kate Moss for Topshop Trophy studded dress, which draped low enough to expose her bra through the sheer part of the dress.

Her dress was paired with Christian Louboutin snake skin heels.

Jesscia Stroup opted for a black BCBG Max Azria jumpsuit paired with a green clutch and black open-toe booties.

Credit: Style.com & Wireimage