The #1 R&B song on December 23, 1999

U Know What's Up By Donell Jones

Other #1 songs on December 23, 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 23 birthdays in the 1990s

Reed Alexander

Born December 23, 1994

Spencer Daniels

Born December 23, 1992

Mitch Haniger

Born December 23, 1990