Billie Lourd To Guest Star as Granddaughter of Debbie Reynolds’ Character on ‘Will & Grace’

LOS ANGELES, CA - JANUARY 25: (Exclusive Coverage) Billie Lourd, Carrie Fisher and Debbie Reynolds pose during TNT's 21st Annual Screen Actors Guild Awards at The Shrine Auditorium on January 25, 2015 in Los Angeles, California. 25184_016 (Photo by Kevin Mazur/WireImage)

Billie Lourd, the granddaughter of Debbie Reynolds, has been cast to guest star on NBC’s Will & Grace finale season.

You can read the full details below:

“Fiona is Grace Adler’s (Debra Messing) niece, the daughter of Grace’s older sister (portrayed on the show by Mary McCormack), and granddaughter of Bobbi Adler, the role played by Reynolds on the original series.

In the episode, taping on Sept. 25, Fiona is reconnecting with her “cool aunt,” Grace (Messing).”

Source: Deadline