La la la, la la la
溢れてる Love, love, love
We're gonna have fun, fun, fun

A new day, a new you
パーティーを始めよう
君がいなけりゃ The party's on hold
1年に1度の お祝いしよう
Everyone, everyone, everyone
We're here to say

"君は素敵だ"
言えない いつもは
でも今日だけは...!

Oh, happy birthday
Oh, happy happy day!
ほら Smile, smile, smile
Happy birthday
It's your special day!
Oh, I love your smile

La la la, la la la
溢れてる Love, love, love
We're gonna have fun, fun, fun

How we feelin'?
I'll go first
心からありがとう
君がいるから Everything is alright
特別な今日に 願い込めて
Everyone, everyone, everyone
We're here to say

"ずっと大好きだ"
照れくさい 本当は
でも今日だけは...!

Oh, happy birthday
Oh, happy happy day!
ほら Smile, smile, smile
Happy birthday
It's your special day!
Oh, I love your smile

大切な 君だから
This special time
お祝いしたい
上手く言えなくても
あぁ 少し遅れちゃっても
Wish you all the best
(It's your day!)

Oh, happy birthday
Oh, happy happy day!
ほら Smile, smile, smile
Happy birthday
It's your special day!
Oh, I love your smile

La la la, la la la
溢れてる Love, love, love
We're gonna have fun, fun, fun