The Wallflower (Japanese: ヤマトナデシコ七変化, Hepburn: Yamato nadeshiko Shichi Henge, lit. "Perfect Girl Evolution") is a manga series written by Tomoko Hayakawa. The individual chapters have been serialized in Bessatsu Friend since 2000, and in 36 tankōbon volumes in Japan by Kodansha. The series was licensed for an English language release in North America by Del Rey Manga and in Singapore by Chuang Yi, under the name My Fair Lady. The series ended in January 2015 after 36 volumes.

Nippon Animation adapted part of the manga series into a twenty-five episode anime series which aired on TV Tokyo and TV Aichi from October 3, 2006 through March 27, 2007. The anime adaptation has been licensed for Region 1 release by A.D. Vision, who paid $500,000. In 2008, The WallFlower became one of over 30 ADV titles whose North American rights were transferred to Funimation Entertainment.