On Jan. 6, 1999, a who's-who of pop stars and other celebs gathered to salute Teen PEOPLE's 1st anniversary. With her 1998 debut single "...Baby One More Time" burning up the charts, Britney Spears ...

Britney Spears‘ debut single “…Baby One More Time” hit No. 1 on the Hot 100 the week of Jan. 30, 1999, kicking off a year that radically transformed modern pop. “Baby” spent a mere two weeks on top, ...

The biggest stars of the '90s turned out to salute Teen PEOPLE: see the epic throwback photos SGranitz/WireImage On Jan. 6, 1999, a who's-who of pop stars and other celebs gathered to salute Teen ...

On Jan. 6, 1999, a who's-who of pop stars and other celebs gathered to salute Teen PEOPLE's 1st anniversary. The star-studded bash at the Key Club in Los Angeles boasted an impressive guest list that ...

Last night on "The X Factor's" season two premiere, new judge Britney Spears received a blast from her past in the form of an old duet partner named Don Philip who appeared on the track "I Will Still ...

Britney Spears has revealed that she is to auction one of her outfits to raise money for the relief effort in Japan. The 'Till The World Ends' star is selling an outfit that she wore in a Japanese ...