That looks like one happy birthday girl!
The fun photo comes weeks after the Mom star revealed to PEOPLE in June that she is pregnant with twin boys and due in the fall.
“Twins don’t run on either side of our families so we were completely shocked,” said the actress. “This wasn’t IVF or anything like that. It was just a shock, and I’m like, ‘Doctor, that’s impossible!’ ”
The actress also shared the news of her pregnancy on Instagram with a photo of a herself smiling as she held up a pregnancy test.
“Big news for our family! Dezi’s going to be a big brother, times 2!” she wrote.
RELATED VIDEO: Jaime Pressly Is Pregnant With Twin: ‘We Were Completely Shocked
Pressly’s son Dezi — whom she shares with her ex Eric Calvo — is “beside himself,” Pressly told PEOPLE.
“He’s been begging Hamzi and I to give him a sibling since he was in kindergarten. He’s very patient and sweet and gentle and is going to be the best little babysitter ever. He’s constantly kissing my belly.”