Stacey Solomon has announced she and Joe Swash are set to welcome a baby girl.The 31 year old, who recently revealed she puts seeds in the labels of her In The Style range, took to her Instagram stories to share the exciting news with her 4.5million followers.The star shared a gorgeous photo of herself wearing a pink dress as she leaned into Joe while surrounded by pink balloons. A second snap showed her sons holding up a sign that read: "What on earth is a sister? Baby girl coming soon".