Kristin Cavallari gives birth to first Hills baby, names it Camden Jack!

Kristin Cavallari has given birth to a baby boy - bringing the first Hills baby into the world.

Kristin Cavallari, babyKristin Cavallari has given birth to a baby boy. Copyright [Wenn]

The American reality star and fiance Jay Cutler welcomed their first child early this morning.

Proud mummy Kristin took to Twitter to announce the news, and revealing the name - which is rather close to home to us.

[Related story: Kristin Cavallari is thrown lavish baby shower]

She posted: "We are thrilled to welcome Camden Jack Cutler into the world."

We take it the little lad *wasn't* named after our favourite place in London to hang out.

And the 25-year-old added: "He was born this morning weighing 7lbs 9oz. Everyone is doing great!"

Kristin Cavallari, Jay CutlerCamden Jack is Kristin and Jay's first baby. Copyright [Wenn]

Little Camden is Kristin and Jay's first baby for the couple - who were engaged, then not engaged and are now engaged again. Keeping up?

The blonde was thrown a Hills-style baby shower in West Hollywood back in May.

And she was lavished with goodies by a host of girlfriends - including The Hills stars Heidi Montag and Spencer and Stephanie Pratt.

Hills co-stars Heidi Montag and Stephanie Pratt attended Kristin's baby shower. Copyright [Wenn]

A source told US Weekly she was glowing and gorgeous at the.

Judging by these pics - which show her looking like she's just had too much pasta for dinner rather than actually being pregnant - the whole bump thing rather suited her.