son Sylvester “Sly” Apollo Bear turned 1 on Tuesday.
The model turned actress went on Instagram and shared his pics to her Instagram Story.
But on her main feed, Ratajkowski posted her pregnancy photos that showed her bare body and baby bump.
She had the photoshoot around the last weeks of her pregnancy.
Some pics showed Ratajkowski in the shower.
She wrote in the caption: “happy birthday sly.”
The “Gone Girl” star added: “happy birth day to me.”
Since March 8 also celebrate all the women around the world, Ratajkowski greeted her female fans, writing, "happy women’s day to all 💓”
Ratajkowski shares baby Sly with her film director husband, Sebastian Bear-McClard.