The couple name their daughter Isabelle Catherine
The presenter gave birth to a baby girl on Saturday evening at the Portland Hospital in London.
Matt, 26, and Emma, 33, have named her Isabelle Catherine, and she weighed in at a healthy 7lb 9oz.
‘Matt and Emma Willis are delighted to announce the arrival of their beautiful baby girl, Isabelle Catherine,’ reads a statement.
They tied the knot in July 2008.