Los Angeles - Rose Byrne has given birth to her first child. The Bridesmaids actress and partner Bobby Cannavale welcomed son Rocco into the world on 1 February, the actor has revealed. Speaking on The Late Show with Stephen Colbert on Friday, he said: "I had a baby on Monday, yes." The 45-year-old star joked he has been comfort eating to get through the exhaustion of having a newborn. We fathers don't do anything and I'm so tired. Like, this jacket fit so well, like, last Thursday.