Pinter revealed the news via her food blog on Friday, also sharing a photo of her pregnant stomach with readers.
"Look at all those cookies in my belly!" she wrote.
"Ok there is a baby in there too, and that baby has been living there for about 5 and a half months already! I am due early September."
Pinter added: "I am beyond thrilled and blessed. I have been eating a lot of cookies."
The Voice host and Pinter are already parents to a 3-year-old son, Jackson James.
Daly was recently forced to apologise for a gay joke he made about the JetBlue crisis, a comment which drew criticism from the mother of a 9/11 victim.