Love on a Diet

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Love on A Diet
Traditional Chinese	瘦身男女
Simplified Chinese	瘦身男女
Hanyu Pinyin	Shòu Shēn Nán Nǚ
Jyutping	Sau3 San1 Naam4 Neoi2
Directed by	Johnnie To Wai Ka-fai
Written by	Wai Ka-fai Yau Nai-hoi
Produced by	Johnnie To Wai Ka-fai
Starring	Andy Lau Sammi Cheng
Cinematography	Cheng Siu-Keung
Edited by	Law Wing-cheung Wong Wing-ming
Music by	Cacine Wong
Production companies	One Hundred Years of Film Milkyway Image
Distributed by	China Star Entertainment Group
Release date	21 June 2001 (2001-06-21)
Running time	95 minutes
Country	Hong Kong
Languages	Cantonese Japanese English
Box office	HK$40,435,886

Love on a Diet (Chinese: 瘦身男女 - literally "Slimming Men and Women") is a 2001 Hong Kong romantic comedy film produced and directed by Johnnie To and Wai Ka-fai, starring Andy Lau and Sammi Cheng.

The film reunites Lau and Cheng, who last paired up in 2000's Needing You.... For their roles, both actors play obese characters and had to wear fatsuits with prosthetic makeup.