アルバム名：Bop Bop Baby(CD Single 1)

2002年5月20日發行，很遺憾這首歌並沒有理想中的那麼好賣 (在官方網站上這首歌是第三張專輯中比較受歡迎的) ，團員們花了很多心理去拍這首歌曲的MV，還極力配合宣傳，這首歌也是團員們自己創作的，但遺憾的是只拿到了英國單曲銷量排行榜第五名。

Westlife( ウエストライフ )
Bop Bop Baby(CD Single 1)
トラックス
1.bop bop baby (修正)
2.Bop Bop Baby (Almighty Radio Edit)
3.You don't know

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