Rapper 50 Cent dominated Billboard's year-end US sales and airplay charts, followed by R Kelly and Beyonce.
50 Cent, pictured with Madonna, has been one of 2003's big stars
The rapper and Eminem protegé topped the US R&B/hip hop artist, album and albums artist charts, selling a record 872,000 albums in the US in February.
R Kelly came second in the three categories, writing and producing 30 chart hits in 2003.
Destiny's Child star Beyonce Knowles emerged as top new R&B/hip hop artist after releasing her first solo album.
Last year Ashanti, Nelly and Eminem were the ruling elite.
R Kelly had a prodigious 2003, producing hits for a diverse lineup of acts from Syleena Johnson to B2K, Michael Jackson and the Big Tymers.
Aaliyah's popularity continues to transcend her untimely death.
The singer took the number one spot in the female R&B and hip hop category.
She finished second in that category last year to Ashanti.