Today's gonna be a-ok
'Cause we're celebratin' your birthday
Happy birthday, Mark
Celebratin' your birthday!
Today's gonna be a-ok
'Cause we're celebratin' your birthday
Happy birthday,
Celebratin' your birthday!
Today's gonna be a-ok
'Cause we're celebratin' your birthday
Happy birthday, everyone
Celebratin' your birthday!
Today's gonna be a-ok
'Cause we're celebratin' your birthday
Happy birthday, everyone
Celebratin' your birthday!
Today's gonna be a-ok
'Cause we're celebratin' your birthday
Happy birthday, everyone
Celebratin' your birthday!
Today's gonna be a-ok
'Cause we're celebratin' your birthday
Happy birthday, everyone
Celebratin' your birthday!