A Simple Life (Chinese: 桃姐; Jyutping: Tou4 Ze2), also known as Sister Peach, is a 2011 Hong Kong drama film directed by Ann Hui and starring Andy Lau and Deanie Ip. Ip, in the lead role of Sister Peach, won the Best Actress Award at the 68th Venice International Film Festival. Originally, Hui considered retiring after making this film. However, due to the film's success, she changed her mind and went on to work on other projects.

Lau and Ip had not worked together since 1999's Prince Charming. Production of the film officially began during Chinese New Year. It was filmed in Mei Foo Sun Chuen. Production was wrapped on 6 April 2011 after two months of filming. The film competed in the 68th Venice International Film Festival. It was also selected as the Hong Kong entry for the Best Foreign Language Film at the 84th Academy Awards, but it did not make the final shortlist.

A Simple Life was an official selection for competition at the 68th Venice International Film Festival, where it won 4 awards. Deanie Ip won the Volpi Cup for Best Actress for her role in this film. She is the first Hong Konger to win this prize. In March, she also became the first Hong Konger to win the Asian Film Award for Best Actress. At the same event, director Ann Hui became the first woman to win the Lifetime Achievement Award. At the 31st Hong Kong Film Awards Ceremony, A Simple Life won 5 major prizes (film, director, screenplay, actor, actress), repeating what happened with Hui's Summer Snow in 1996. Ann Hui has won Best Director (4 times) more than anyone else at the Hong Kong Film Awards. Ip is the oldest Best Actress recipient (64 years old at the time of her win).