On Sunday, Lourd shared a throwback photo of her with her mother on Instagram.

“Especially those of you who have lost someone during this crazy year.

You’re not alone. "

Carrie Fisher and Billie Lourd

Carrie Fisher and Billie Lourd.Credit: Todd Williamson/Getty

Fisher died Dec. 27, 2016, after suffering a heart attack at age 60.

On Mother’s Day, Lourd similarly sent well wishes to people who’ve also lost loved ones.

TheBooksmartactresswelcomed her first childin September and gave her son a middle name honoring her mom.