Since no one has tabbed this yet... (released yesterday :L ) thought I would tab 
it. Relatively easy :) Enjoy! Done by ear, but pretty sure it's accurate.

Capo on 4th fret

Intro:
C F G (x2)

C (x32010@1)   FYou're (133211@1)insecure
		               GDon't (320003@1)know what for
		           C (x32010@1)	         F (133211@1)	         GYou're (320003@1)turning heads when you walk through the door

C (x32010@1)  FDon't (133211@1)need make up
	         GTo (320003@1)cover up
	           C (x32010@1)           F (133211@1)      GBeing (320003@1)the way that you are is enough

C (x32010@1)         F (133211@1)      Am (x02210@1)         GEveryone (320003@1)else in the room can see it
C (x32010@1)         F (133211@1)         (G)
Everyone else but you

[Chorus]
	           C (x32010@1)        F (133211@1)     GBaby (320003@1)you light up my world like nobody else
		        C (x32010@1)         F (133211@1)        GThe (320003@1)way that you flip your hair gets me overwhelmed
		                  C (x32010@1)        F (133211@1)          Am (x02210@1)       GBut (320003@1)when you smile at the ground it ain't hard to tell
	           C (x32010@1)     
You don't know
Am (x02210@1)	                  GYou (320003@1)don't know you're beautiful
C (x32010@1)    F (133211@1)             G
If (320003@1)only you saw what I can see
		      C (x32010@1)    		    F (133211@1)           GYou'll (320003@1)understand why I want you so desperately
		         C (x32010@1)      	      F (133211@1)     Am (x02210@1) GRight (320003@1)now I'm looking at you and I can't believe
	            C (x32010@1)    FYou (133211@1)don't know
Am (x02210@1)		      GYou (320003@1)don't know you're beautiful
C (x32010@1)       FOh (133211@1)oh oh
				           GThat's (320003@1)what makes you beautiful

C (x32010@1) F (133211@1) Am (x02210@1) G (320003@1)C (x32010@1)  FSo (133211@1)c-come on
	           GYou (320003@1)got it wrong
		         C (x32010@1)         F (133211@1)      GTo (320003@1)prove I'm right I put it in a song
	                C (x32010@1)   FI (133211@1)don't know why
		        GYou're (320003@1)being shy
	          C (x32010@1)        F (133211@1)	  GAnd (320003@1)turn away when I look into your ah-ah-eyes

C (x32010@1)         F (133211@1)      Am (x02210@1)       GEveryone (320003@1)else in the room can see it
C (x32010@1)         F (133211@1)(G)
Everyone else but you

[Chorus]
                  C (x32010@1)       F (133211@1)     GBaby (320003@1)you light up my world like nobody else
		        C (x32010@1)        F (133211@1)       GThe (320003@1)way that you flip your hair gets me overwhelmed
		                  C (x32010@1)         F (133211@1)          Am (x02210@1)       GBut (320003@1)when you smile at the ground it ain't hard to tell
	           CYou (x32010@1)don't know
Am (x02210@1)	       GYou (320003@1)don't know you're beautiful
C (x32010@1)    F (133211@1)             GIf (320003@1)only you saw what I can see
		       C (x32010@1)    		     F (133211@1)          GYou'll (320003@1)understand why I want you so desperately
		         C (x32010@1)      	     F (133211@1)             Am (x02210@1) GRight (320003@1)now I'm looking at you and I can't believe
	           C (x32010@1)      FYou (133211@1)don't know
Am (x02210@1)		      GYou (320003@1)don't know you're beautiful
C (x32010@1)       FOh (133211@1)oh oh
				G

That's what makes you beautiful

[Bridge]
C (x32010@1)Na na na 
FNa (133211@1)na na
AmG
Naaa na na
CNa (x32010@1)na na 
FNa (133211@1)na na

(Bridge x2)

F (133211@1)                              GBaby (320003@1)you light up my world like nobody else
		         F (133211@1)		               (Am)	  GThe (320003@1)way that you flip your hair gets me overwhelmed
		                  F (133211@1)	                          GBut (320003@1)you when you smile at the ground it ain't hard to tell
	             Am (x02210@1)     
(You don't know)

You don't know you're beautiful

[Chorus]
	          C (x32010@1)       F (133211@1)       GBaby (320003@1)you light up my world like nobody else
		        C (x32010@1)        F (133211@1)       GThe (320003@1)way that you flip your hair gets me overwhelmed
		          C (x32010@1)         F (133211@1)           Am (x02210@1)       GBut (320003@1)when you smile at the ground it ain't hard to tell
	           C (x32010@1)     
You don't know
Am (x02210@1)	       GYou (320003@1)don't know you're beautiful
C (x32010@1)    F (133211@1)             GIf (320003@1)only you saw what I can see
		      C (x32010@1)    		     F (133211@1)           GYou'll (320003@1)understand why I want you so desperately
		          C (x32010@1)      	      F (133211@1)     Am (x02210@1) GRight (320003@1)now I'm looking at you and I can't believe
	                 C (x32010@1)    FYou (133211@1)don't know
Am (x02210@1)		                 GYou (320003@1)don't know you're beautiful
C (x32010@1)       FOh (133211@1)oh oh
				           GThat's (320003@1)what makes you beautiful

~tabbed by ginny_xx on ultimate-guitar.com~