 Critics received the song positively , complimenting Usher 's falsetto . While reaching a peak of twenty @-@ five on the Billboard Hot 100 , it topped the Hot R & B / Hip @-@ Hop Songs chart . The charting gave Usher his eleventh number @-@ one on the chart , tying Ray Charles and R. Kelly for the fifth @-@ most number @-@ one 's since the chart 's inception . The song 's accompanying music video features Usher pursuing his love interest in risque scenes . Critics generally favored the video , calling it classic Usher , while some noted its theme was played @-@ out . Usher performed the song a number of times , including at the 2010 BET Awards . The song earned Usher a Grammy Award for Best Male R & B Vocal Performance , at the 53rd Grammy Awards in 2011 . 
