"And then we were 4," Brett wrote on Instagram. "It seems like just yesterday we found out our little Presley was on her way. We are beyond blessed by this growing little family!"
"Sweet baby, you are already so loved and we cannot wait to meet you!" Taylor, 35, captioned her announcement post. "Baby #2 coming this summer."
Peoplewas the first to report the news of the couple's baby on the way.
In December 2018, Brett opened up to ET about the kind of dad he wanted to be.
"I hope that when it’s time for me to be a dad, I am able to take from the kind of parents [mine] were," he said at the time. "I hope that the kind of dad that I am is a little different than the personality I show in my work life."
Following the couple's announcement that they were expecting their first child, Brett gushed to ET that he was "on Cloud 9" about becoming a dad.
"I don't have [coronavirus] symptoms at all, but I have all these people who I care about at home who I want to keep safe and we've got this tour bus sitting empty," he told ET at the time. "As much as it sucks not to be with my family and see my daughter, it seemed like a small sacrifice compared to what the alternative could mean."
While being away from his daughter was "the hardest thing" for Brett, his wife did "a good job at sending pictures and videos every day."
Watch the video below for more on the Young family.