One Direction returned to Sesame Street to perform an adaptation of their seminal hit "What Makes You Beautiful." It's all about the letter "U," which they point out to their young fans is a "useful" letter as it begins words such as utensil, udon, unibrow, unicorn, utensils, underwear, unicycle, uncles, urns, and more. Harry Styles, Zayn Malik, Liam Payne, Niall Horan and Louis Tomlinson are out promoting their latest album FOUR, which dropped earlier this week. This isn't the first time the 1D members have appeared on the PBS program. Earlier this year, Styles and Payne stopped by the show to sing the "ABCs."

Check out their performance and the parody lyrics below, and let us know what you think in the comments section!


This letter's "U"
You know it's true
It starts some words, there are more than a few
U starts "Uhh," and "Ugh," and "Up,"
U starts Udon, there's some in this cup

Twenty-six letters are in the alphabet, but we're here to sing about "U"

U, you begin the word ukulele
U, there's a UFO flying by me
U, when you're gone I feel so unhappy
I love U
U, you know, you're so useful

U for unique, that's a unique gown
U, check it out, Elmo's upside-down
U, there's a unicorn dressed as a clown
Letter U, that's what makes you so useful

Don't get upset, U's what you get
And when you swim underwater you're wet
U starts urn, that's what I've learned,
And a unicycle's hard to turn

Twenty-six letters are in the alphabet, but we're here to sing about "U"

U for utensils in Grover's hands
U is for uncles but not for aunts
U, there are U's on those underpants
Letter U, that's what makes you so useful

U, you're the ultimate, come take a bow
U, there are udders under that cow
U, check it out, it's Burt's unibrow
Starts with U
U, you know you're so useful
That's what makes U so useful
That's what makes U so useful

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