“The Full House family is so happy for them,” Barber said.

Jodie SweetinandAndrea Barberare sending their warm congratulations to former castmateAshley Olsenon her,ahem, full house.

“I just heard this this morning that Ashley Olsen had a baby!”

Jodie Sweetin and Andrea Barber

Jodie Sweetin and Andrea Barber.Robin Marchant/Getty

said Barber, who played Kimmy Gibbler onFull Houseand the revival seriesFuller House.

“That blows my mind.”

“The baby had a baby!”

Andrea Barber, Ashley Olsen, and Jodie Sweetin on ‘Full House’

Andrea Barber, Ashley Olsen, and Jodie Sweetin on ‘Full House’.ABC Photo Archives/Disney General Entertainment Content via Getty

Sweetin played Michelle’s older sister Stephanie.

“I’m sorry, I know she’s not a baby,” Sweetin clarified.

“She’s a 37-year-old woman, I realize that.

But it’s like when the youngest member of your family has a kid.

It’s like, ‘Ah, it’s happening!'”

Welcome to motherhood!"

“TheFull Housefamily is so happy for them,” Barber concluded.

News emerged last week thatOlsen had privately given birtha few months ago in New York.