Billie Lourd shares birthday tribute to late grandmother Debbie Reynolds

Billie Lourd honored her late grandmother Debbie on Instagram by sharing a candid photo of her with Carrie. “Happy 85th to my constantly classily clad Abadaba,” Billie wrote along with green lucky clover and heart emojis. The photo shows Billie’s mom and grandmother inside a hotel room looking surprised. Debbie is indeed “classily clad,” dawning emerald green pants and a matching duster. Photo: Instagram/@praisethelourd

The 24-year-old actress lost both her mom Carrie and grandmother Debbie within two-day span back in December. Photo: Kevin Mazur/WireImage

Less than a week after losing both her beloved mother and grandmother, Billie shared a touching post on her Instagram. “Receiving all of your prayers and kind words over the past week has given me strength during a time I thought strength could not exist,” she wrote along with a throwback photo of the trio. “There are no words to express how much I will miss my Abadaba and my one and only Momby. Your love and support means the world to me.” Photo: Instagram/@praisethelourd

Over a hundred people gathered to say goodbye to the famous mother and daughter at their memorial service at the Hollywood Hills' Forest Lawn Memorial Park in January. Stars like Meryl Streep and Stephen Fry delivered eulogies, celebrating the entertainers who were buried together. Last Saturday, Debbie and Carrie were honored once again, at a public memorial. Many of their family members and friends attended the service, including Star Wars droid R2-D2. "My mother didn't like memorials or funerals," Todd Fisher (pictured here) told the crowd. "She liked shows, parties...so this show was really time for you to be in our living room as if we were all a big family." Photo: Getty Images