The #1 R&B song on December 31, 1999

U Know What's Up By Donell Jones

Other #1 songs on December 31, 1999

#1 Hit Song

Smooth
Santana featuring Rob Thomas

UK #1 Song

I Have a Dream / Seasons in the Sun
Westlife

#1 Country Song

Breathe
Faith Hill

#1 Alternative Hit

All the Small Things
Blink-182

#1 Dance Track

17 Again
Eurythmics

Notable December 31 birthdays in the 1990s

Cameron Carter-Vickers

Born December 31, 1997
J. J. Arcega-Whiteside

Born December 31, 1996
Gabby Douglas

Born December 31, 1995
ND Stevenson

Born December 31, 1991