Carrie Fisher and Debbie Reynolds died just one day apart
Carrie - who passed away on December 27 at the age of 60 on a flight from London to Los Angeles - and her mother Debbie - who then died just day after her daughter on December 28 at the age of 84 - will be honoured with the beautiful service, Todd Fisher announced on his website.
The memorial is set to be held at the Freedom Theater at Forest Lawn Cemetery Hollywood Hills in Los Angeles, California and Todd said that fans will not need a ticket to attend.
He wrote: "On Saturday, March 25th, there will be a public memorial for my mother, Debbie Reynolds, and my sister, Carrie Fisher, at Forrest Lawn Cemetery Hollywood Hills at the Freedom Theater.
"We will be celebrating their lives with friends, family members, and the people who loved them, you."
The public memorial will be held on March 25
Todd Fisher revealed the details for the memorial on his official website
We will be celebrating their lives with friends, family members, and the people who loved them, you.
He continued: "The service will begin at 1 p.m. and immediately afterwards, those who want to walk to their final resting place are welcome to do so.
"There are a limited number of seats available, and it will be on a first come first come, first seated basis, There are no tickets, it is first come, first seated.
"There will be room for overflow in the huge lobby as well as the outside with screens to watch and hear the service."
The news comes after Debbie's official cause of death was revealed earlier this month. Carrie's, however, remains inconclusive.
Carrie Fisher and Debbie Reynolds’ memorial
Fri, January 6, 2017
Meryl Streep was one of many stars pictured attending Carrie Fisher and Debbie Reynolds’ joint private memorial for family and friends.
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Meryl Streep among mourners at Carrie Fisher and Debbie Reynolds’ memorial
Ceremony will be held at the Freedom Theater at Forest Lawn Cemetery Hollywood Hills
Carrie previously said she wants Harrison Ford to sing at her Oscars In Memorium tribute
Quotes from Carrie recently emerged online, in which she stated that she wants Star Wars co-star Harrison Ford to sing at her Oscars In Memoriam tribute.
She said in an interview with the Rebel Force Radio podcast: "I asked him [at a party] if he would be in my death reel, and if he would sing. It's just something I want. He's going to sing Melancholy Wookiee.
"I figured they'll bring out, depending on when it happens, there's a lot of people they can bring out."