Áño: 2008 - Álbum: Good Girl Gone Bad: Reloaded [CD/DVD]
(Andre Merritt, Brian Kennedy Seals, Robert Durrell Allen, Chris Brown)
G|-----------------------------------------------------------| D|-----------------------------------------------------------| A|----0-0-3-3---------0-0-3-3---------0-0-3-3----------------| E|------------5-5-3-3---------5-5-3-3---------5-5-3-3--------| Just repeat this throughout the verses and Chorus.