According to Ask Ausiello, within the first ten minutes of the September 26th season premiere of Desperate Housewives we will find out the identity of the Wisteria Lane baby that was switched at birth.

Darcy Rose Byrnes, who previously recurred on The Young and The Restless as Abby Carlton, will be taking over the role of Lynette and Tom Scavo’s daughter, Penny, in the seventh season

We’re getting our first look at Brian Austin Green on the set of Desperate Housewives

Desperate Housewives is bringing in three new characters, played by familiar faces, for the upcoming season:
Vanessa Williams joins the cast as Renee Filmore-Jones, an old collge friend/rival of Lynette’s. She arrives on Wisteria Lane with a husband, no kids, and of course…a secret.
Brian Austin Green’s character, Keith, initally is there to help Bree fix up her [...]

Sources confirm that Mark Moses is slated to reprise his role as Mary Alice’s creepy widower, Paul, on a full-time basis next season.
The character was last seen in season 3 when Mike paid him a visit in jail, where he’s serving time for murdering poor Martha Huber. After leaving Housewives, Moses joined the cast of [...]

Wicked Local is reporting that Desperate Housewives on ABC is currently casting for two characters.

Bree considers revealing a secret, and Susan’s financial problems worsen. In the meantime, Eddie gets in control of Lynette’s fate, and Gabrielle puts herself at risk trying to help Angie.

Desperate Housewives season 6 episode 21 is titled as “Little Night Music”.