" Rehab " has become a critical and commercial success internationally , and has been referred to as Winehouse 's " signature song " . It won three Grammy Awards at the 50th ceremony , including Record of the Year , Song of the Year , and Best Female Pop Vocal Performance . It also won an Ivor Novello Award for Best Contemporary Song . Winehouse 's public battle with drug and alcohol addiction , and subsequent death , have contributed to the song 's continuing popularity and appearance in the media
50th ceremony
50th Annual Grammy Awards
Rehab (Amy Winehouse song)