Starlet Ashley Tisdale is teaming up with Mmagazine to co-host Hollywood Halloween at the Marquee in NYC!

The spooky bash will be filled with mystery, haunts and a creative costume contest. M mag is even holding a contest to attend the party — how exciting!

Ashley, 24, will be stopping by to sign copies of her new CD, Guilty Pleasure, as well as judge the costume contest — so make it good!

Hollywood Halloween will be held on Wednesday, November 11th, two weeks after the haunting holiday. Check out all the details atTwistMarket.com.

Credit: justjaredjr.

*UPDATE*:

Ashley will be attending to co-host Hollywood Halloween at the Marquee in NYC with M magazine! Hollywood Halloween will be held on Wednesday, November 11th, two weeks after the haunting holiday. Ashley will be also stopping by to sign copies of her new CD, "Guilty Pleasure", as well as judge the costume contest — so make it good! Check for more details at TwistMarket.com.

M wants you to come in your Halloween best for an evening of mystery, celebrity and of course, fabulosity at your first annual Hollywood Halloween. Special guest Ashley Tisdale is coming to see you in costume and sign her newest CD just for you so don't disappoint - be creative.

Here''s what you can expect:
A red carpet
- One of your fave celebs
- Your friends at M
- Chances to win amazing prizes!
- We will be giving away awards for Best Costume, Ashley's Biggest Fan. and