'N SYNC's ''Pop,'' ''I'm a Slave 4 U'' and Christina Milian's ''AM to PM''—Look Back at the Most Popular Songs From 2001!

Check out the year’s hottest tracks

It's time to turn up the volume and take a trip down memory lane!

Remember how amazing songs were back in 2001? We had hits like "Pop" from ‘N SYNC, "I'm a Slave 4 U" by Britney Spears, "Irresistible" from Jessica Simpson and "AM to PM" from Christina Milian.

In celebration of the upcoming second season of Christina Milian Turned Up we wanted to go back to 2001, the year that Christina released her first single, and see all of the songs that were extremely popular during that year.

So check out the gallery to remember all of the hit songs!

Watch the season two premiere of Christina Milian Turned Up on Nov. 3 at 10 p.m., only on E!