One Day in Your Life – piosenka pop stworzona przez Anastacię, Louisa Biancaniella, Sama Wattersa na drugi studyjny album Anastacii Freak of Nature. Piosenka została wydana 4 marca 2002 jako drugi singel promujący płytę.
Lista utworów Australian maxi single (Includes stickers)
"One Day in Your Life" [Album Version] 3:29 "One Day in Your Life" [M*A*S*H Radio Mix #2] 3:56 "One Day in Your Life" [Almighty Mix] 7:44 "One Day in Your Life" [M*A*S*H Classic Mix] 8:48 "One Day in Your Life" [Video]
European maxi single
"One Day in Your Life" [Album Version] 3:29 "One Day in Your Life" [M*A*S*H Classic Mix] 8:48 "One Day in Your Life" [M*A*S*H Dub Mix] 7:14 "One Day in Your Life" [Almighty Mix] 7:44 "One Day in Your Life" [Almighty Dub] 5:58
European promo single
"One Day in Your Life" [Album Version] 3:29
Japanese CD single
"One Day in Your Life" [Album Version] 3:29 "Bad Girls" (with Jamiroquai) [Live at The Brits 2002] "One Day in Your Life" [M*A*S*H Radio Mix] 3:56 "One Day in Your Life" [Almighty Dub] 5:58 "One Day in Your Life" [Video]
Netherlands promo single
"One Day in Your Life" [Album Version] 3:29 "One Day in Your Life" [M*A*S*H Classic Mix] 8:48
Spanish promo single
"One Day in Your Life" [Album Version] 3:29 "One Day in Your Life" [M*A*S*H Radio Mix] 3:56
UK CD single