Bǎob?i (in the night)-Zhang Xuan
This is the version that was covered by Natsukawa Rimi.
Go here to listen to the song and see the lyrics onlu:
http://www.youtube.com/watch?v=0dx0N5IQOBs

She doesn't have any official website but here is the official music video of the song:
http://www.youtube.com/watch?v=gt7ZO5YAMuM

It's a very nice song! I figured these chords by myself so if you find any 
corrections please leave them in the comments. Thank you ;)
_____________________________

      D             A     
Wǒ de bǎob?i bǎob?i gěi nǐ yīdiǎn ti?n ti?n 
G             A
R?ng nǐ jīny? dōu hǎo mi?n 
      D               A
Wǒ de xiǎoguǐ xiǎoguǐ d?u d?u nǐ de m?iyǎn 
G              A
R?ng nǐ xǐhuan zh? sh?ji? 


      D            Bm 
Huālā lā lā lā lā wǒ de bǎob?i
         A      G     A   G
Zheng ge sh?hou yǒu g?r?n p?i 
      F#m      A   Bm      
Āi ya ya ya ya ya wǒ de bǎob?i
        G      A     D     D  G
Rang ni zhīd?o nǐ zu?měi

      D             A     
Wǒ de bǎob?i bǎob?i gěi nǐ yīdiǎn ti?n ti?n 
G             A
R?ng nǐ jīny? hěn hǎo mi?n 
      D               A
Wǒ de xiǎoguǐ xiǎoguǐ nie nie nǐ de xiǎo liǎn 
G              A
R?ng nǐ xǐhuan zhěngg? m?ngtiān

      D            Bm 
Huālā lā lā lā lā wǒ de bǎob?i 
         A      G     A   G
Zheng ge sh?hou yǒu g?r?n p?i
      F#m      A   Bm      
Āi ya ya ya ya ya wǒ de bǎob?i 
        G      A     D     D  G
Rang ni zhīd?o nǐ zu?měi

      D     A     E        Em
Huālā lā lā lā lā wǒ de bǎob?i 
      A                Em   G   
Gūdān sh? yǒur?n bǎ nǐ xiǎngni?n 
      D     A     E        G
Āi ya ya ya ya ya wǒ de bǎob?i 
       G      A     D  
Y?o nǐ zhīd?o nǐ zu?měi 

D  A  G  A
D  A  Bm G
 
      D           Bm     
Huālā lā lā lā lā wǒ de bǎob?i 
         A      G     A   G
Zheng ge sh?hou yǒu g?r?n p?i
      D     A     Bm       D 
Āi ya ya ya ya ya wǒ de bǎob?i 
       G       A     D
Y?o nǐ zhīd?o nǐ zu?měi
       G       A     D 
Y?o nǐ zhīd?o nǐ zu?měi

_______________
Original Lyrics (For those who knows Chinese!!!)
_______________

我的寶貝 寶貝 給你一點甜甜
讓你今夜都好眠
我的小鬼 小鬼 逗逗你的眉眼
讓你喜歡這世界

嘩啦啦啦啦啦 我的寶貝
倦的時候有個人陪
唉呀呀呀呀呀 我的寶貝
要你知道你最美

我的寶貝 寶貝 給你一點甜甜
讓你今夜很好眠
我的小鬼 小鬼 捏捏你的小臉
讓你喜歡整個明天

嘩啦啦啦啦啦 我的寶貝
倦的時候有個人陪
更多更詳盡歌詞 在 
魔鏡歌詞網 
唉呀呀呀呀呀 我的寶貝
要你知道你最美

嘩啦啦啦啦啦 我的寶貝
孤單時有人把你想念
唉呀呀呀呀呀 我的寶貝
要你知道你最美

嘩啦啦啦啦啦 我的寶貝
倦的時候有個人陪
唉呀呀呀呀呀 我的寶貝
要你知道你最美

要你知道你最美