Kelly Clarkson has given birth to a baby girl.

The American Idol winner and husband Brandon Blackstock welcomed their first child, River Rose, on Thursday (Jun 12).

Clothing, Coat, Trousers, Dress, Bridal clothing, Bouquet, Photograph, Petal, Bride, Standing, pinterest
Kelly Clarkson/archetypestudiosinc


Clarkson announced the arrival via her Twitter account.

She writes: "Our baby girl River Rose Blackstock arrived on June 12th! Thank you everyone for all of your well wishes! Brandon and I are on cloud 9!"

The couple revealed they were expecting in November 2013. Blackstock, whose stepmother is singer Reba McEntire, has two children from a previous marriage.

The couple married in October 2013 after a one-year engagement.