Rivera be part of an episode entitled "Dance Cards and Greeting Cards," which also features appearances by Ed Burns, Jeff Goldblum and Michele Lee. In the Valentine's Day-themed broadcast, "Grace (Debra Messing) tries to ignore the greeting card holiday but romantic urges eventually send her into the arms of the enemy — none other than Nick (Burns), a hunky greeting card writer." Born Dolores Conchita Figueroa del Rivero in 1933, Chita Rivera is one of the theatre's most acclaimed performers. She has won Tony Awards for her performances in two Kander and Ebb musicals, The Rink and Kiss of the Spider Woman, and was also nominated for her work in Bye Bye Birdie, Chicago, Bring Back Birdie, Merlin, Jerry's Girls and her most recent outing, the Tony-winning revival of Nine. Rivera's other Broadway credits include the musical Seventh Heaven, her Broadway debut; Mr. Wonderful; the original production of West Side Story; and Bajour. She appeared in the film version of "Sweet Charity," starred in the world premiere of Kander and Ebb's The Visit, and also headlined Bernarda Alba at the Mark Taper Forum.

"Will & Grace" airs on NBC-TV 8:30-9 PM ET; check local listings.