[Verse 1: Liam]You're insecure, don't know what forYou're turnin' heads when you walk through the doorDon't need makeup to cover up (Huh)Bein' the way that you are is enough[Pre-Chorus: Harry]Everyone else in the room can see itEveryone else but you[Chorus: All, Harry]Baby, you light up my world like nobody elseThe way that you flip your hair gets me overwhelmedBut when you smile at the ground, it ain't hard to tellYou don't know, oh-oh, you don't know you're beautifulIf only you saw what I can seeYou'll understand why I want you so desperatelyRight now I'm looking at you and I can't believeYou don't know, oh-oh, you don't know you're beautiful, oh-ohThat's what makes you beautiful[Verse 2: Zayn]So c-come on, you got it wrongTo prove I'm right, I put it in a songI don't know why you're being shyAnd turn away when I look into your eyes[Pre-Chorus: Harry]Everyone else in the room can see itEveryone else but you[Chorus: All, Harry]Baby, you light up my world like nobody else ('Body else)The way that you flip your hair gets me overwhelmedBut when you smile at the ground, it ain't hard to tellYou don't know, oh-oh, you don't know you're beautiful (Oh)If only you saw what I can seeYou'll understand why I want you so desperatelyRight now I'm looking at you and I can't believeYou don't know, oh-oh, you don't know you're beautiful, oh-ohThat's what makes you beautiful[Bridge: All]Na, na-na-na, na-na-na, na, naNa, na-na-na, na-naNa, na-na-na, na-na-na, na, naNa, na-na-na, na-na[Breakdown: Harry]Baby, you light up my world like nobody elseThe way that you flip your hair gets me overwhelmedBut when you smile at the ground, it ain't hard to tell(You don't know, oh-oh) You don't know you're beautiful[Chorus: All, Harry, Zayn]Baby, you light up my world like nobody else (Light up my world like nobody else)The way that you flip your hair (C'mon) gets me overwhelmedBut when you smile at the ground (Smile at the ground), it ain't hard to tellYou don't know, oh-oh, you don't know you're beautiful (Oh, woah)If only you saw what I can seeYou'll understand why I want you so desperately (Desperately)Right now I'm looking at you and I can't believeYou don't know (Don't know), oh-oh, you don't know you're beautiful, oh-ohYou don't know you're beautiful, oh-ohThat's what makes you beautiful