F G F G
F G F G
[Verse 1] 
FGF G How did we get back again?
FGFG How'd we get mixed up in the first place?
FGF G The window's openin'
FGFG You can't spread your wings in a bird cage
 [Pre-Chorus] 
FGFG We get high and we go down again (Ooh, we go down again)
FGFG We go 'round and right back where we been
FGFG And the days go by, the nights they never end
FGF Do it all again (Do it all again) mmm
 [Chorus] 
FGFGF Cause when it's on sight, it's on sight, all of it, all of it can wait
G (Yeah)
FGF It's a celebration like it's your birthday (It's your birthday)
GFG So amazin', I just wanna taste it (I wanna taste you)
FGFG Let's celebrate in the best way like it's your birthday
 [Post-Chorus] 
F G FGFGFG Oh (All I see is you now, all I see is you now), you in first place
F GFGF GF Oh (Don't wanna lose you now), and that's the worst case
GFGF Oh yeah (Birthday, birthday, birthday)
GFGFG Oh yeah, oh yeah (It's your birthday, birthday), you're in first place
 [Verse 2] 
FG Where do I begin? (Oh)
F GFG It's been this way for a long time, oh
F GFGF Something's got to give (Something gotta, something gotta give)
GFG Cause you keep on tickin' on my mind (Oh)
 [Pre-Chorus] 
FGFG We get high and we go down again (We go high, we go high)
FGFG We go 'round and right back where we been (Right where we been)
FGFG And the days go by, the nights they never been (The nights they never been)
FGFG Do it all again, do it all again, mmm
 [Chorus] 
FGFGF Cause when it's on sight, it's on sight, all of it, all of it can wait
G (Yeah)
FGF It's a celebration like it's your birthday (It's your birthday)
GFG So amazin', I just wanna taste it
FGFG Let's celebrate in the best way like it's your birthday
 [Post-Chorus] 
F G FGFGFG Oh (All I see is you now, all I see is you now), you in first place
F GFGFFG Oh (Don't wanna lose you now), don't wanna, don't wanna, that's the worst
F Case (And that's the worst case)
GFGFG Like it's your birthday, birthday, birthday, babe
FGFG F G Like it's your birthday, birthday (You're in first place)
F G F G