Carson Daly is to become a father for the third time.

The 'Voice' host joked he and fiancee Siri Pinter - who already have son Jack, five, and daughter Etta, 19 months, together - have been advised to ''slow down'' by his mother after announcing they will welcome another child into the world this summer.

Speaking on 'The Tonight Show' last night (24.03.14), he said: ''I have a five year old and my daughter's 19 months, and we're expecting a third.

''For years my mom was like, 'When are you going to have a kid?' And now she's like, 'Slow down!' ''

Siri, 32, also revealed she, her 40-year-old partner and their children are thrilled by the news, but she admitted she can't stop eating.

Writing on her Siriously Delicious blog, she posted: ''I'm pregnant! Carson and I are expecting our third child in mid-August and he, Jack, Etta and I are so happy. Well, as far as I can tell Etta is happy (she thinks the baby lives in my breasts).

''I'm about halfway there, feeling pretty great, and eating enough for five. Is that how it works? Are you supposed to eat for every member of your family, including the baby in your belly? Just say yes and make me feel better about life.''