Our little girl is all grown up.

Yes, it's true. In case you have been living under a rock, or have simply been too busy to keep up with your favorite Spanish-speaking toddler, you need to be informed on the latest on-goings at Nick, Jr.

Dora the Explorer has hit tweendom.

It's okay. Take a moment to sit down and gather yourself. We all knew this moment would come eventually, we just never thought it would be so soon. Or so dramatic.

Here is the news in brief: Dora has been revamped in a major way. This fall she will move from random unnamed jungles across the world to "the big city." According to Mattel, the powerhouse manufacturing the physical manifestation of the tween, Dora 2.0 will be, "exploring community service, beach clean-ups and even mysteries."

No word on whether tween Dora is still BFF-ing it up with an equally tweenish Boots the Monkey.

In addition, she is getting an entirely new, sophisticated yet still appropriate look. At least, that's what Mattel and Nickelodeon are claiming.

New Dora is totally cool-she's rocking one of the most popular fashions for girls, a long shirt, leggings and flats. So hip. She is also wearing lipstick (how old is she supposed to be?) and is "super-slim."

Yes, that's right. New and improved Dora is rocking the body of a model. No worries, for those of you five-year-olds not allowed to play with Barbie for body image reasons, you now have Dora. She may not have six dozen career options or a relationship with Ken, but gosh darn it she can speak Spanish with the best of them.

I guess what confuses me is that I don't see the need to ruin a good thing. Why does Dora need to grow up? Look at any other cartoon characters who have grown up (i.e. the Rugrats) and it will be apparent that this idea fails. We love Dora the Explorer for her innocent demeanor, her willingness to conquer the world before kindergarten enrollment.

What is this new and grown-up Dora? Will she ditch Backpack for Vera Bradley? Will her Map become outdated and be replaced with a Garmin?

Most importantly, this Dora fan is left to wonder, what about Diego? For those of you who really live under a rock, Diego is Dora's cousin. Like Dora, his Spanish prowess and rugged good looks earned him a spot in Nick, Jr. primetime. Will he grow up too, or will he be left behind as Dora embraces adolescence and all of the awkward moments it brings?

All I can do is advise Nickelodeon. Learn from Disney's mistakes-let a child star grow up too fast and before you know it, she will be dancing in front of an American flag in boots and hot pants.