"Blame It" is the most successful single from the album, peaking at No. 2 on the U.S. Billboard Hot 100, and has topped the Hot R&B/Hip-Hop Songs chart for 14 consecutive weeks making it the second longest-running number 1 song on the chart. "Blame It" has sold over one million downloads.
The music video was directed by Hype Williams and premiered on Friday February 25, 2009. Cameo appearances in the video are made by Ron Howard, Forest Whitaker, Jake Gyllenhaal, Samuel L. Jackson, Quincy Jones, Cedric the Entertainer, Morris Chestnut, Clifton Powell, Alex Thomas, DeRay Davis, Joe, Mos Def, Tatyana Ali, Jalen Rose, Bill Bellamy, Ashley Scott, Electrik Red, Dawn Richard, Keshia Knight Pulliam and LeToya.Watch the Video