《Good Day》是IU演唱的一首歌曲，收錄在她的專輯《Last Fantasy》中。歌詞全文如下：
I had a good day, yeah
Had a good day, yeah
Had a good day, yeah
Had a good day
Had a good day, yeah
Had a good day, yeah
Had a good day, yeah
I woke up and smiled at the sun
It's a beautiful day, yeah
I'm gonna dance and sing
I'm gonna do what I want, yeah
Got my hair and make-up done
Got my nails done, too
I'm feeling like a million bucks
I'm feeling like a star today
I'm gonna wear my favorite dress
And dance around all day
I'm feeling like the best version of me today
Had a good day, yeah
Yeah, it's a beautiful day for me and you too
Oh yeah, I had a good day today, yeah
Everyday's a holiday when I'm with you, yeah
And you make me feel so high, high, high, oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh
Got my hair and make-up done
Got my nails done, too
And now I'm feeling free and wild like a lion
Oh yeah, I'm feeling like the best version of me today yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah
I had a good day, yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah yeah Yeah!
以上就是《Good Day》的歌詞，希望對你有所幫助。