Now, 11 years later, JoJo is still out there and she's not the 13-year-old girl we met back in 2004, although that girl was pretty awesome, too.
Just in case you don't remember anything from the days before social media, here is a throwback pic JoJo shared of herself on Instagram.
And, here's what she looks like today...
And while it's always fun to see then and now photos of someone, there is even better news with this one. In March of last year, the singer told ABCnews.com that she was ready to start working on some new music.
"I want to continue putting out content" she told them. "I don't know whether it'll be in the form of a mixtape or just a few one-off songs, but I just think content is content. So, I just want to keep releasing stuff and kind of having it all lend itself to my world that I'm creating."
Judging by this recent pic, it looks like she's working hard to make that happen...
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Gallery | Celebrity Sightings April 2015