The *NSYNC alum and husband Michael Turchin welcomed home Violet Betty and Alexander James, Bass announced on Instagram Thursday.
The babies were carried via surrogate, the singer said.
“The baby dragons have arrived!!” Bass wrote. “I can not express how much love I feel right now. Thank you for all the kind wishes. It meant a lot. Now, how do you change a diaper??! Ahhhhhhhh!”
“Introducing the newest members of the Turchin-Bass household: Violet Betty and Alexander James!!!!” he wrote. “They’re pure perfection and yes that includes the dozens of poops we’ve already dealt with. Our hearts our full!!! Thank you everyone for the well wishes.”
Jerry O’Connell, a dad to twin girls, commented on the post, writing, “Congrats! You’re gonna be a great dad!!!! As far as getting a good-nights-sleep… You can say: ‘Bye-Bye-Bye.'”