"Nothin' on You" is a 2009 song by American rapper and record producer B.o.B featuring singer Bruno Mars. The song is B.o.B's first single as a lead artist and Mars' first as a featured artist. It was released as the lead single from B.o.B's first studio album B.o.B Presents: The Adventures of Bobby Ray. The song went to number 1 in the United Kingdom and the United States.