Have you ever had think for a second when someone informs you that 2000 was fifteen years ago and not five? It can be pretty terrifying. Where has the time gone? Are we adults now?

If you ever needed a reminder that time has indeed passed while you were busy buying UGG boots and watching Netflix, then allow us to take you on a trip down memory lane. These gems will definitely make all 00s kids feel old.

Teens today don't even know what these are:

There are people in schools today who won't know this struggle:

Mean Girls was released in 2004. That is 11 years ago:

 

Does anyone really miss this look though?

 

People have Gmail accounts older than those coveted Juicy tracksuits:

Gmail came along in 2004, but Juicy started a velour world domination in 2001. 

J-Lo wore her hair this way once and it was very on-trend:

 

Rachel and Ross's daughter Emma would be 13 now, and this what the twins who played her look like:

http://heyitsjustme.tumblr.com/post/110145942379/can-we-talk-about-the-fact-that-these-are-the

 

Lizzie Maguire is a mom now:

 

Kim K used to wear things like this:

It was a time when Kim wore gold chains and massive hoop earrings and went rollerbooting.

 

Actually, the 00s was a time when all Kardashians wore mostly matching satin:

It's sad that the Kardashians no longer wear co-ordinating satin.