" Margot Kidder ( Superman) will guest-star on the Feb. 11, "Valentine's Day Massacre" episode of ABC's Brothers & Sisters, playing a wayward (gee, really?) friend of Sally Field's Nora.

" Grammy nominee Nelly Furtado will guest-star on the Feb. 7 CSI: NY, playing a world-class shoplifter and an ingenious master of disguise.

" Another Grammy nominee, Mary J. Blige, will guest on Ghost Whisperer on Feb. 9. Blige, whose music is featured in the episode, plays the coach of a high-school cheerleading team whose members are being disabled by "freak accidents." Save the cheerleaders, save Melinda's Wonderbra!

" Reported below earlier, although that Ryan Seacrest/"Nudity" title may have scared you off: American Idol alumna Katharine McPhee will appear on the Feb. 1 episode of Ugly Betty, as a celebrity guest at the "Mode" Fashion Week runway show.