This content is copyright of CelebMix.com. Can you believe it?! Some of the biggest bangers from way back in 2000 are turning the big 2-5 this year! That's right - those tunes that had you singing at the top of your lungs, doing ridiculous dance moves, and crushing on your fave pop stars are officially quarter-century legends. Whether it was a catchy chorus you still can't get out of your head or a song that totally got your feelings, these tracks were THE soundtrack to our lives.