《Birthday》是Selena Gomez演唱的一首歌曲，歌詞如下：
(Chorus)
Soon it's my birthday
慶祝我生日的時刻就要到了
Gonna come alive
要讓它充滿活力
You're gonna miss me when I'm gone
當我離開時你會想念我嗎
Soon it's my birthday
慶祝我生日的時刻就要到了
Got the house and I feel so fine
感到興奮，似乎整棟房子都屬於我了
Won't be no one here but me and my vibe
除了我之外不會有別人，只有我的氣氛
(Verse 1)
I'm gonna party like it's my birthday
我要像慶祝生日一樣狂歡
Gonna dance like it's the last day of the year
跳舞，就像這是新年的最後一天
I'm gonna make the most of this day
我要把握每一天的美好時光
Oh yeah, let's get it started, no party hat
不必戴禮帽就開始狂歡吧
'Cause this one is for me
這是屬於我自己的狂歡
And all my hard work's paying off, so what else?
因為所有努力都將得到回報，還有更多的好運降臨呢
Gonna turn it up and be in my best mood
讓我舞動身姿，充滿喜悅的心情
(Chorus)
Soon it's my birthday
慶祝我生日的時刻就要到了
Gonna come alive
要讓它充滿活力
You're gonna miss me when I'm gone
當我離開時你會想念我嗎
Soon it's my birthday
慶祝我生日的時刻就要到了
(Bridge)
And I know you all want a piece of me tonight
我知道你們都想今晚與我共舞一曲
But I gotta save my energy for the one that I can make a memory with tonight
但我必須留著力氣為今晚的某人創造一段難忘的回憶
I ain't no ghost, so let me be your light, yeah, yeah, yeah, yeah
我不是幽靈，所以讓我成為你的光芒吧，耶耶耶耶
(Chorus)
Soon it's my birthday
慶祝我生日的時刻就要到了
Gonna come alive, oh yeah, oh yeah, oh yeah
要讓它充滿活力，耶耶耶，我要讓它變得如此精彩絕倫
You're gonna miss me when I'm gone, yeah, yeah, yeah, yeah, yeah, yeah, yeah, yeah
當我離開時你會想念我嗎，耶耶耶耶耶耶耶耶耶耶耶耶
Soon it's my birthday, oh yeah, oh yeah, oh yeah (x2)
慶祝我生日的時刻就要到了，耶耶耶，我要讓它變得如此精彩絕倫。