Lay promoting Honey
Lay (레이) is a Chinese singer-songwriter and actor under SM Entertainment. He is a member of the Korean pop boy group EXO and its sub-unit EXO-M and the one-time unit SM The Performance.
- Stage Name: Lay (레이)
- Real Name: Zhāng Yìxìng (張藝興 / 张艺兴)
- Nickname: Xing Tuo
- Birthdate: October 7, 1991
- Birthplace: Changsha, Hunan, China
- Height: 177cm
- Weight: 60kg
- Blood Type: A
- Education: Hunan Normal University High School
- Skills: Guitar, dancing, piano
-  Oh My God!
-  Ex-Files 2
-  Kung Fu Yoga
-  Kite Flying
-  HBS Happy Camp (Sepcial MC)
-  SMG Go Fighting!
-  ZRTG: ZJTV Running Man China
-  Idol Producer (Host)
- In 2005 he placed third on the TV show Star Academy.
- In 2010 he worked as SHINee's Jong Hyun's dance replacement at their concert tour in Japan and Korea, after Jong Hyun injured his leg.
- He was supposed to be EXO-M's leader, but Kris was selected instead.
- His ideal type of woman is cute and a girl who treats her parents well.
- He became a trainee in 2008.