Billie Lourd and Mark Hamill post throwback Carrie Fisher pics for her birthday

Carrie Fisher just got the sweetest birthday wishes from her daughter Billie Lourd.

Lourd took to Instagram Saturday to celebrate what would have been her mother's 61st b-day with a throwback photo of the two of them in (what appear to be) their pajamas.

With a colorful array of emojis, Lourd wrote out "Happy Birthday, Mom" in the caption, adding a few hearts for emphasis.

Star Wars co-star Mark Hamill also posted a photo for Fisher's birthday. 

He simply captioned the throwback photo of the two of them dancing with the hashtag #AlwaysWithUs.

Fisher died from sleep apnea and a combination of other factors in December.