Union J star JJ and model Caterina announced their happy baby news last month however the expectant parents have since remained tight-lipped about the sex of their unborn baby.
But in a cute photo posted to Instagram today (17 October), Caterina showed off her growing baby bump, and hinted that she will have a son, after saying "his".
In the snap, the brunette placed headphones across her bump, while playing Union J's pop tunes from her laptop.
Caterina, who is seven months pregnant, said: "Someone loves hearing his daddy and Union J sing #babyhamblett #unionj #babybump #musiclessons."
And it seems like 'Last Goodbye' from Union J's upcoming debut album, is one track that's constantly on repeat, after Caterina told told a fan that the song is a firm favourite.
Caterina, who flew back to the US to spend the past week in her hometown of Arizona, also told fans on Twitter that her family had thrown a baby shower.
She said on Sunday (13 October): "Baby shower for #babyhamblett ! Love my family!"
It seems JJ and Caterina are getting all the essentials ahead of their new arrival and have been buying new furniture. She also said this week: "My little monkey's nursery furniture has finally arrived... Christmas came early this year! #babyhamblett #boyorgirl."
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