Charlotte tweeted: “Schools in Wales aren’t opening no…..I mean for parents across the border……xx.”
The Welsh singer is mum to two children – Ruby, 12, and Dexter, 11, with her ex Gavin Henson.
Back in March Charlotte announced that she is expecting a third child with husband Jonathan Powell.
It comes as many celebrities have been divided over the past few days on whether their children should return to education.