Stacey Solomon melted hearts on Saturday, as she spoke about her son Rex, two, who was feeling a little heartbroken after his brothers left for a holiday.
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"Sorry I've been so quiet this morning," she wrote. "I think it gets harder for Rex as he gets older when his big brothers go for their holidays…"
WATCH: Stacey Solomon transforms nursery ahead of daughter's birth
She added: "He wasn't a happy pickle this morning," alongside a video of Rex walking hand-in-hand with one of his brothers.
She then shared a clip of Rex and his brothers engaging in various fun activities like playing on a swing, playing football together and dipping their toes into a lake.
The Loose Women star wrote: "So we spent the morning watching Rex's favourite videos of them all… now he's finally settled & having a nap.
"We love you Zachy & Leighton & we miss you so so much especially your little brother."
She sweetly finished: "But we know you'll have the best time making memories with your daddy's. See you soon pickles."
© Photo: InstagramRex missed his older brothers
Although Stacey shares Rex with fiancé Joe Swash, she shares her son Zach, 13, with Dean Cox and Leighton, nine, with Aaron Barnham.
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But Rex won't be alone for too long, as Joe and Stacey are expecting to welcome their second child together, a baby girl.
Stacey broke the news on her Instagram feed in which she stood with her partner Joe Swash and children while Leighton held aloft a picture of the baby scan.
Stacey revealed the baby's gender in a joyous Instagram post where she and Joe were surrounded by pink balloons.
In the post, the soon to be mum-of-four looked jubilant with the news, as Joe stood behind her with his arms cradling her growing bump.
© Photo: InstagramThe family will welcome a girl later this year
She also shared a snap of her sons holding up a board that read: "What on earth is a sister? Baby girl coming soon."
Since the reveal, Stacey has been hard at work transforming one of her home's bedrooms into a pink paradise for her unborn daughter.
The star uploaded video of herself adding wooden panels to the wall of what will be the nursery.
The 31-year-old then got crafty with pastel paint, stripping the cottage of its cream and wooden beams and replacing it with a pink wash.
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