B.o.B. Bounds to No. 1 on Hot 100, Rihanna Down to No. 2

b.o.b interview mashup

Atlanta rapper B.o.B will bounce Rihanna from the top slot of the Hot 100 to be released on Thursday morning (Apr. 22), as his "Nothin' On You," featuring Bruno Mars, will jump 2-1 while Rihanna's "Rude Boy" drops to the runner-up slot.

Video: B.o.B. performs "Nothin' on You" at S.O.B.'s in New York

"Nothin' On You" also rises to the top of Digital Songs, moving 184,000 downloads according to Nielsen SoundScan. Last week's top-seller, Train's "Hey, Soul Sister," dips to No. 2 with 159,000.

B.o.B also has the Hot 100's top debut as "Airplanes," featuring Hayley Williams of Paramore, will land at No. 12 upon the chart's official release. The track sells 138,000 in its initial week of availability and arrives at No. 5 on Digital Songs. His debut album "B.o.B Presents: The Adventures of Bobby Ray" hits retail this coming Tuesday (April 27).

Check back on Thursday morning for more Hot 100 happenings including the latest batch of Glee Cast debuts and Christina Aguilera's return to the chart.