Jessica Simpson

Now that Ashlee Simpson-Wentz has been fired from CW's reboot of Melrose Place, Jessica Simpson has come to her sister's defense, saying the writing staff is to blame.

Melrose Place: Simpson-Wentz, Egglesfield Out; Locklear In

On Sunday night, the elder Simpson sister tweeted: "CW catching up on MP.who writes this crap?i have had bad scripts to work with,but this?thank God my sister is amazing and got you some press. Watch til Jan... :)"

Watch full episodes of Melrose Place

Reps for Melrose Place denied TVGuide.com's request for comment, while reps for the Simpson sisters did not immediately respond for comment.