Slimline Kristin Cavallari steps out with son Camden as she takes a swipe at Vanessa and Nick Lachey for copying baby name

PUBLISHED: 13:10 EST, 13 September 2012 | UPDATED: 13:37 EST, 13 September 2012

Kristin Cavallari proved she's taken pregnancy in her stride as she stepped out with her son Camden Jack this week.

The reality TV star, who gave birth on August 8, showed off her slender post-baby body on a stroll through Chicago, Illinois, with her newborn.

The 25-year-old is now not the only mother in Hollywood doting over a son named Camden after Nick Lachey and Vanessa chose the moniker for their boy, who was born on Wednesday. They opted for John as the middle name.

Mother and baby time: Kristin Cavallari took newborn son Camden Jack Cutler for a stroll in Chicago, Illinois, this week

Camden, which is a popular London area, is not a particularly common baby name and the double up seemingly irked Kristin.

Cavallari, who is engaged to Chicago Cubs quarterback Jay Cutler, 28, tweeted today: ‘Apparently Camden is a popular name!’

But she was quick to make it clear she wasn’t looking to start a war with the new family.

She added: ‘By the way that wasn't a bitchy tweet at all... I obviously love the name and I'm glad other people do too.’

Back in shape: The reality TV star looked great in a black dress and high heels

Yet to be seen: The reality TV star kept her bundle of joy in his stroller

In July Vanessa told People magazine that she had already decided on their boy’s name - but chose not to reveal it in public.

She said at the time: ‘I tell everybody we’ve been yelling it around the house. Nick and I love it.’

Six years ago, Kristin regularly spent time with Nick following his split from ex-wife Jessica Simpson.

During rumours of a romance, she said: 'There’s nothing to talk about, there's nothing going on. He's a nice guy, but I'd have to say we're just friends.'

Similar tastes: Nick and Vanessa Lachey welcomed their son Camden John to the world yesterday

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Why does the DM always have to try to make a story when there isn't one? She's not "taking a swipe", as she points out herself.

- HB , Somewhere, 13/9/2012 21:44

Click to rate Rating 79

"Chicago Cubs quarterback"???? Sheesh.

- junebug , Atlanta, 13/9/2012 21:35

Click to rate Rating 83

I guarantee that the lachey's didn't realize that their name was already used by kristen. You don't really realize the name's popularity until it's too late. We named our son Carson after his great grandfather thinking it was pretty original. Then at his baby doctor appointments there were carson's all over the place. Boys and girls. Better luck next time.

- Southerntwinb , Usa, 13/9/2012 21:26

Click to rate Rating 53

Camden, a town in New Jersey wants its name back Kristin. No wait, some town in the UK wants its name back. Why do these new mothers think they invented names, motherhood, and breasfeeding, and changing dipers, and............

- Lucianne , Pluto, 13/9/2012 21:12

Click to rate Rating 43

honey get over it and yourself. Unless you have a patent on a name, it's all fair game. Intellectual property my dear. Consider it a form of flattery.

- Jules , San Diego, 13/9/2012 21:07

Click to rate Rating 29

Having grown up there, every time I hear the name Camden, I think of New Jersey. Not a good association, since it's a real dump.

- Jennifer , Denver Colorado, United States, 13/9/2012 21:07

Click to rate Rating 52

Quarterback for the Chicago Cubs? Baseball teams dont have quarterbacks...Her fiance is the quarterback for the Chicago BEARS.

- pens228 , pittsburgh, United States, 13/9/2012 21:02

Click to rate Rating 63

Seriously, does she really think if they were going to steal a name it would be from some z list celebrity? She's either a narcissist or looking for some publicity. I believe it's the latter.

- Chris , SF Bay, United Kingdom, 13/9/2012 20:45

Click to rate Rating 22

She's engaged to the quarterback from DA BEARS!! Cubs are a baseball team. Anywhooooo, My real name is popular too. Maybe my mom needs to take a swipe at anyone who calls their kid Roseanne!!

- Roseanne Barr , Hawaii, 13/9/2012 20:34

Click to rate Rating 27

I know the headline is misleading and she didn't actually mean it like that, but I do get annoyed with people who assume the name they pick for their child should be theirs and theirs alone. Also, who is she? Never heard of her.

- Celebwatcher , Manchester, 13/9/2012 20:29

Click to rate Rating 31

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