'Skyscraper' singer Sam, who is expecting her third child with husband Craig Pearson, tweeted fans last night as she marked 18 weeks of her pregnancy.
She said (29 April): "I am 18 weeks pregnant today... I am getting impatient already. Very broody at the minute... Can't wait to hold our new baby girl x."
Sam and Craig are already proud parents to son Tommy and daughter Brooke.
Two weeks ago, Sam revealed the sex of her baby via Twitter. She simply said: "Me and Craig are proud to announce we are having a little girl... A special thank you to @miracleprogress xxxx."
The 36-year-old singer also revealed that Tommy was a little disappointed, as he was hoping to have a little brother! Although we're sure he's come around to the idea by now!
Former prison guard Sam announced her pregnancy in March, explaining that she found out she was expecting after taking a pregnancy test in her local ASDA supermarket. Sam's X Factor mentor Sharon Osbourne will be godmother to her child.
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