Billie Lourd teared up as she joined mourners at the memorial service for Carrie Fisher and Debbie Reynolds.

Carrie Fisher and Billie Lourd

Carrie Fisher and Billie Lourd

The 'Scream Queens' actress was understandably tearful as she attended the service to remember her late mother and grandmother, who passed away within hours of each other in the final days of 2016.

The memorial was held at the family's Beverly Hills home as Billie - who was joined by her rumoured boyfriend and co-star Taylor Lautner at the service - wanted everyone to remember the great parties Carrie and Debbie threw there.

A source told People magazine: "Billie wanted the people her mother loved to gather in that living room one last time ... The only things missing were Carrie and Debbie.

"Debbie would sit in the corner, and everyone there would come up and pay homage. Even the biggest stars were starstruck by her. Carrie would walk around barefoot with a can of Coca-Cola, making sure everyone was having a good time, saying the funniest things you've ever heard."

During the memorial, Meryl Streep performed Carrie's favourite song 'Happy Days Are Here Again' and all of the guests joined in.

It comes after it was reported that Carrie was cremated earlier this week as she wished and it is thought that a small coffin containing some of her ashes will be buried next to her mother - who died after suffering a stroke - at Forest Lawn Memorial Park in Burbank, California.

The family are expected to hold a public memorial for fans of the late actresses later this month.

Meanwhile, Billie previously took to social media to thank everyone for their kind words after Carrie and Debbie's passing.

She wrote: "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.

"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. (sic)"