X Factor Top 24 Finalist Jillian Jensen is getting ready for Fun 107's big Monster Mash party tonight at White's of Westport.  If you know anything about Jillian, you won't be surprised by which "sexy" costume she chose.

Here is a sneak peek of her trying on her costume this morning..."Sexy Spongebob Squarepants". Who lives in a pineapple under the sea? JILLIAN JENSEN!

We'll see you at Monster Mash tonight!!! Doors open at 9 sharp! Get there early to make sure you get in! Occupancy is limited.

TSM