(Cover) - EN Showbiz - Kristin Cavallari has given birth.

The reality TV star and her fianc Jay Cutler confirmed they welcomed their son into the world this morning. The pair made the announcement via Twitter and also revealed the baby's name.

"We are thrilled to welcome Camden Jack Cutler into the world," Kristen wrote. "He was born this morning weighing 7lbs 9oz. Everyone is doing great."

Kristin, 25, and American football star Jay announced they were expecting a baby in January.

The news came just two months after they confirmed they were a couple again, following a brief split.

Kristin's friends threw her a baby shower in May and last month she spoke of how well Jay was looking after her. He had been making her lasagne and she gushed about how in love they were.

The TV star has also spoken of what a good father her 29-year-old sportsman beau will make.

"He's gonna be a great dad! He's so cute with kids...He's good with my little dog, so he's gonna be really, really cute with kids," she previously said. (C) Cover Media