Billie Lourd joins 'Will & Grace' as her late grandmother Debbie Reynolds' granddaughter

Billie Lourd is paying tribute to her late grandmother, Debbie Reynolds, in the sweetest way possible.

The 27-year-old actress has joined the cast of Will & Grace as her late grandmother's character, Bobbi Adler's, granddaughter. Lourd confirmed the exciting news on her Instagram on Thursday, alongside photos of Reynolds' time on the sitcom.

"I have watched and loved Will & Grace since I was (probably too) young. So getting to watch my grandma play Grace’s mom was one o’ the coolest things to happen to my young willandgraceobsessed self," the late Carrie Fisher's daughter began. "Next week I get to play my real life grandma’s on screen granddaughter on one of my favorite shows and there are not enough happy adjectives in the world to convey the excitement I feel. Thank you to @maxmutchnick @therealdebramessing @eric_mccormack @meganomullally @seanhayes for bringing me into the Adler fam. ❤️."

Will & Grace co-creator and executive producer Max Mutchnick also shared the happy news on Instagram.

"It's Hollywood royalty on the Will & Grace stage this week. Billie Lourd plays the granddaughter of real life grandmother Debbie Reynolds. I loved Debbie, I loved Carrie and I love this apple who did not fall far from her trees," he captioned a photo of the two.

According to Deadline, who was first to report the news, Lourd will guest star as Fiona Adler, Grace Adler's (Debra Messing) niece in the final season season of the revival. The episode will feature Fiona reconnecting with her "cool aunt" Grace. 

Reynolds portrayed Bobbie Adler in 12 episodes, spanning from 1999 to 2006. The late actress died from a stroke on Dec. 28. Her death came a day after her daughter and Lourd's mother, Fisher's, death.

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Billie Lourd and Carrie Fisher together
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Billie Lourd and Carrie Fisher together
HOLLYWOOD, CA - DECEMBER 14: Actors Carrie Fisher (L) and Billie Lourd attend the World Premiere of ÂStar Wars: The Force Awakens at the Dolby, El Capitan, and TCL Theatres on December 14, 2015 in Hollywood, California. (Photo by Jesse Grant/Getty Images for Disney)
LOS ANGELES, CA - JANUARY 25: (L-R) Actresses Carrie Fisher, Screen Actors Guild Life Achievement Award recipient Debbie Reynolds, and Billie Lourd pose in the press room during the 21st Annual Screen Actors Guild Awards at The Shrine Auditorium on January 25, 2015 in Los Angeles, California. (Photo by Ethan Miller/Getty Images)
SANTA MONICA, CA - FEBRUARY 19: Actress Billie Lourd arrives at the US-Ireland Alliance Pre-Academy Awards Honors event at Bad Robot on February 19, 2015 in Santa Monica, California. (Photo by Amanda Edwards/WireImage)
NEW YORK, NY - MAY 11: Actress Billie Lourd attends the 2015 FOX programming presentation at Wollman Rink in Central Park on May 11, 2015 in New York City. (Photo by Jemal Countess/Getty Images)
SANTA MONICA, CA - FEBRUARY 19: Actress Billie Lourd attends the US-Ireland Aliiance's Oscar Wilde Awards event at J.J. Abrams' Bad Robot on February 19, 2015 in Santa Monica, California. (Photo by Alberto E. Rodriguez/Getty Images for US-IRELAND ALLIANCE)
LOS ANGELES, CA - JANUARY 25: (L-R) Actresses Carrie Fisher, Screen Actors Guild Life Achievement Award recipient Debbie Reynolds, and Billie Lourd pose in the press room during the 21st Annual Screen Actors Guild Awards at The Shrine Auditorium on January 25, 2015 in Los Angeles, California. (Photo by Ethan Miller/Getty Images)
NEW YORK, NY - NOVEMBER 03: Carrie Fisher (L) and Billie Lourd attend the 2011 Silver Hill Hospital gala at Cipriani 42nd Street on November 3, 2011 in New York City. (Photo by Andy Kropa/Getty Images)
NEW YORK, NY - NOVEMBER 03: Carrie Fisher (L) and Billie Lourd attend the 2011 Silver Hill Hospital gala at Cipriani 42nd Street on November 3, 2011 in New York City. (Photo by Andy Kropa/Getty Images)
HOLLYWOOD, CA - DECEMBER 14: (L-R) Actress Billie Lourd, cinematographer Todd Fisher and actress Carrie Fisher attend the premiere of Walt Disney Pictures and Lucasfilm's 'Star Wars: The Force Awakens' at the Dolby Theatre on December 14, 2015 in Hollywood, California. (Photo by Ethan Miller/Getty Images)
LONDON, ENGLAND - JUNE 29: Carrie Fisher and daughter Billie Catherine Lourd attend the World Premiere of 'Absolutely Fabulous: The Movie' at Odeon Leicester Square on June 29, 2016 in London, England. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - JUNE 29: Carrie Fisher (C) and daughter Billie Catherine Lourd attend the World Premiere of 'Absolutely Fabulous: The Movie' at Odeon Leicester Square on June 29, 2016 in London, England. (Photo by David M. Benett/Dave Benett/WireImage)
LOS ANGELES, CA - JANUARY 25: (L-R) Todd Fisher, actress Debbie Reynolds, recipient of the Screen Actors Guild Life Achievement Award, actresses Carrie Fisher and Billie Lourd pose in the press room at the 21st Annual Screen Actors Guild Awards at The Shrine Auditorium on January 25, 2015 in Los Angeles, California. (Photo by Ethan Miller/Getty Images)
BEVERLY HILLS, CA - JUNE 07: Actress and writer Carrie Fisher (R) and her daughter Billie Lourd arrive at The Paley Center For Media & TCM Present Debbie Reynolds' Hollywood Memorabilia Exhibit Reception on June 7, 2011 in Beverly Hills, California. (Photo by Amanda Edwards/Getty Images)
Billie Lourd and mother Carrie Fisher attend Paley Center & TCM present Debbie Reynolds' Hollywood memorabilia exhibit reception at The Paley Center for Media on June 7, 2011 in Beverly Hills, California. (Photo by Brian To/FilmMagic)
HOLLYWOOD, CA - JANUARY 29: Carrie Fisher and Billie Lourd attend 'Snow Day' Premiere on January 29, 2000 at the Paramount Theater in Hollywood, California. (Photo by Ron Galella/WireImage)
UNIVERSAL CITY, CA - DECEMBER 3: Carrie Fisher, Billie Lourd and Debbie Reynolds attend Radio City Christmas Opening on December 3, 1999 at the Universal Ampitheater in Universal City, California. (Photo by Ron Galella/WireImage)
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