1 August 1999
California, United States
The 1999 Teen Choice Awards ceremony was held on August 1, 1999, at the Gibson Amphitheatre, Universal City, California. The event didn't have a designated host, however, Britney Spears introduced the show with Christina Aguilera, Blink-182, NSYNC and Gloria Estefan, and Britney Spears as performers.
Christina Aguilera – "Genie in a Bottle"
Blink-182 – "What's My Age Again?"
NSYNC and Gloria Estefan – "Music of My Heart"
Britney Spears – "Sometimes" and "(You Drive Me) Crazy"
Winners are highlighted in bold text.
1999 Teen Choice Awards Wikipedia