Molly Sims to Compete for Sebastian on The Carrie Diaries

Look out, Carrie Bradshaw. You are about to have some serious competition for the affections of Sebastian.

E! News reports that Molly Sims will appear on at least two episodes of The Carrie Diaries Season 2, coming on board as a "sexy woman" (d'uh!) who somehow gets "intimately involved" with Austin Butler's main character.

"Love working in New York," Sims Tweeted in response to the news. "So, so, so excited to be on The @CarrieDiariesCW!!"

Sims portrayed Delinda for five years on Las Vegas and has also stopped by episodes of Wedding Band and Royal Pains.

On The Carrie Diaries Season 1 finale, meanwhile, Sebastian and Carrie broke up after she discovered he hooked up with Maggie.

The Carrie Diaries returns with new installments on Friday, October 25 and the other major casting news of the summer revolves around Lindsey Gort: She has been cast as a young version of Samantha Jones.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.