Ugly Betty fans morose without their weekly cavalcade of Wilhelmina one-liners are in luck - and they won’t even have to switch the channel. ABC confirmed today that Vanessa Williams will be joining Desperate Housewives next season as a series regular. EW speculates Williams could be filling the void left by the departure of Nicolette Sheridan as Wisteria Lane’s resident “troublemaker.†[EW]