During last night’s premiere of Welcome to The Riley’s, Kristin Stewart looked stunning in a one-shoulder black lace embroidered cocktail dress from the Valentino Resort 2011 collection.

(See all the photos and behind the scenes for “Welcome to the Riley’s” at GossipCenter.com)

With no-fuss pulled back hair and classic red lips, our favorite “Bella” looked like a picture perfect vampire maven. From the limelight with Riley’s co-star James Gandolfini, to returning to her natural dark tresses as she prepares to enter back into the “Twilight” with filming Breaking Dawn pt. 1, which is scheduled to premiere November 2011.

So how excited are all of you Twighlight Moms to see Bella officially become a Cullen and become the next vampire style mom on the big screen? 😉 Last year, InStyle released a spoiler alert of the 10 designers that sketched Bella’s wedding dress, and here are our top 3 favs:

Monique Lhuillier

Christian Siriano

Prabal Gurung (minus the creepy headress/facemask) 😉

See all 10 designer sketches at InStyle.com

So now that lady Bella is maturing and becoming the most high profile vampire bride and fangalicious mommy, don’t you think it’s time the stylists updated her look just a tad bit? It’s not fitting that her new in-laws are all so stylishly dressed, and she still looks like a homeless high school kid in a grey t-shirt and worn out jeans. We don’t want to change the character, still keep the edgy casual look and evolve her into Bella 2.0: