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Fifth Harmony's Cover Of One Direction's 'They Don't Know About Us' Will Give You Chills

Seriously, it's just so good.

You've heard Fifth Harmony cover other artists in the past, but their latest cover takes it to a whole other level.

The girls -- Lauren, Ally, Normani, Camila and Dinah -- were recently in Australia promoting my new favorite album, Reflection. While there, they decided to cover a song by another group of "X Factor" alums, One Direction.

5H put their own spin on the 1D song, "They Don't Know About Us" off of Take Me Home, slowing down the upbeat song and making it completely their own.

Do you guys hear that? That's musical perfection.

The girls could have been covering the old-school 1D track as a way to say "thank you" to Liam Payne for giving them, and their song "Reflection," a special Twitter shout-out.

I don't know about you, but I'm dying to hear a Big Payno "Reflection" remix. Oh, and I also wouldn't mind hearing a 1D/5H collaboration -- and neither would the girls.

"We hope so," Dinah told Nick Lachey on "Big Morning Buzz Live" about a future collaboration. "One of our really good friends who produced the song, Julian Bunetta, he was the one who produced the song ['Reflection'], and he works with One Direction as well and it's just crazy that Liam Payne recognized us on Twitter and told us about 'Reflection.' So, hopefully there's something that's going to happen."