The same week Bruno Mars releases “Unorthodox Jukebox,” the first single from his sophomore set ascends to the top spot on the Billboard Hot 100.

Locked Out Of Heaven” rises one spot to end Rihanna’s “Diamonds” after three weeks at No. 1.

The song is Mars’ fourth No. 1 on the Billboard Hot 100 in a 34-month span, giving him the record for the fastest accumulation of a quartet of No. 1s  by any male artist in 48 years. You have to go back to Bobby Vinton, who scored the same trick in 30 months, starting in 1962 with “Roses Are Red (My Love)?”  Mars’ four charttoppers are  B.o.B.’s “Nothin’ On You,” which featured Mars, and then three songs as lead artist: “Just The Way You Are,” “Grenade” and, now, “Locked.”

“Diamonds” drops to No. 2 (although it spends its 10th week at No. 1 on Billboard’s R&B/Hip-Hop Songs chart. Ke$ha’s “Die Young” stays are No. 3. The Lumineers’ “Ho Hey” rises one to No. 4, trading places with Maroon 5’s “One More Night,” which drops to No. 5.

Rounding out the top 10, Flo Rida’s “Cry” climbs 8-6, Phillip Phillips’ “Home” hangs out at No. 7 again, fun.’s “Some Nights” falls two places to No. 8, while  Ne-Yo’s “Let Me Love You (Until You Learn To Love Yourself)” stays at No. 10.

The one new entry in the Top 10 comes at No. 9 with Justin Bieber’s “Beauty and a Beat” featuring Nicki Minaj.  The track marks Minaj’s ninth Hot 100 Top 10, which ties her with Missy Elliott for the most Top 10 tunes by a female rapper.

As far as Will.I.Am's tune with Britney Spears, "Scream & Shout?" After bowing at No. 12 last week, the song already starts its decline, dropping to No. 13.