Vintage StarTracks: In 1999, *NSYNC, Britney Spears & Other Big Stars Celebrated Teen PEOPLE's 1st Anniversary

Mar. 15, 2025

*NSYNC at Teen People’s First Anniversary Party in 1999.Photo:SGranitz/WireImage

*NSYNC during Teen People’s First Anniversary Party at The Key Club in Los Angeles, California

SGranitz/WireImage

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 includedBritney Spears,Christina Aguilera,Keri Russelland so many more.*NSYNCtreated guests to a live performance, and, yes, as at any fabulous birthday bash, there was cake!Take a trip back to January 1999 to see how some of the hottest stars of the decade turned it up for Teen PEOPLE.

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 includedBritney Spears,Christina Aguilera,Keri Russelland so many more.*NSYNCtreated guests to a live performance, and, yes, as at any fabulous birthday bash, there was cake!

Take a trip back to January 1999 to see how some of the hottest stars of the decade turned it up for Teen PEOPLE.

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Britney Spears

Britney Spears in 1999.David Keeler/Getty

Recording Artist Britney Spears At The Key Club To Celebrate The 1 Year Anniversary Of Teen People Magazine.

David Keeler/Getty

02of 16Christina AguileraChristina Aguilera in 1999.KMazur/WireImageAnother pop starlet on the cusp of mega-fame at the event:Christina Aguilera. The singer’s breakthrough single, “Genie in a Bottle,” would burst onto the charts six months later in June 1999.

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Christina Aguilera

Christina Aguilera in 1999.KMazur/WireImage

Cristina Aquilera during Teen People’s First Anniversary Party - Los Angeles at The Key Club in Los Angeles, California, United States

KMazur/WireImage

Another pop starlet on the cusp of mega-fame at the event:Christina Aguilera. The singer’s breakthrough single, “Genie in a Bottle,” would burst onto the charts six months later in June 1999.

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04of 16NSYNCNSYNC in 1999.SGranitz/WireImage*NSYNC’sJustin Timberlake,Joey Fatone,JC Chasez,Lance BassandChris Kirkpatrickgathered around a cake featuring Teen PEOPLE’s logo.

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*NSYNC

*NSYNC in 1999.SGranitz/WireImage

*NSYNC during Teen People’s First Anniversary Party - Los Angeles at The Key Club in Los Angeles, California

*NSYNC’sJustin Timberlake,Joey Fatone,JC Chasez,Lance BassandChris Kirkpatrickgathered around a cake featuring Teen PEOPLE’s logo.

05of 16Lil' KimLil' Kim in 1999.DMI/The LIFE Picture Collection/ShutterstockRapperLil' Kimheld court in a dramatic black leather and fur look.

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Lil' Kim

Lil' Kim in 1999.DMI/The LIFE Picture Collection/Shutterstock

Rap artist Lil' Kim at TEEN PEOPLE magazine party. Lil' Kim, New York, USA - 12 Jan 1999

DMI/The LIFE Picture Collection/Shutterstock

RapperLil' Kimheld court in a dramatic black leather and fur look.

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Andrew Keegan

Andrew Keegan in 1999.SGranitz/WireImage

Andrew Keegan during Teen People’s First Anniversary Party - Los Angeles at The Key Club in Los Angeles, California, United States.

07of 16Keri Russell and Melissa Joan HartKeri Russell and Melissa Joan Hart in 1999.SGranitz/WireImageFelicity meets Sabrina!Keri RussellandMelissa Joan Hartposed for a photo at Teen PEOPLE’s 1st Anniversary Party.

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Keri Russell and Melissa Joan Hart

Keri Russell and Melissa Joan Hart in 1999.SGranitz/WireImage

Melissa Joan Hart & Keri Russell during Teen People’s First Anniversary Party - Los Angeles at The Key Club in Los Angeles, California

Felicity meets Sabrina!Keri RussellandMelissa Joan Hartposed for a photo at Teen PEOPLE’s 1st Anniversary Party.

08of 16Danielle Fishel, Vincent Young and Britney SpearsDanielle Fishel, Vincent Young and Britney Spears in 1999.Kevin Mazur Archive/WireImageBoy Meets World’sDanielle Fishel,Beverly Hills, 90210’s Vincent Young andBritney Spearsgot together for a group photo.

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Danielle Fishel, Vincent Young and Britney Spears

Danielle Fishel, Vincent Young and Britney Spears in 1999.Kevin Mazur Archive/WireImage

Danielle Fishel, Britney Spears and guest during Teen People’s First Anniversary Party - Los Angeles at The Key Club in Los Angeles, California, United States

Kevin Mazur Archive/WireImage

Boy Meets World’sDanielle Fishel,Beverly Hills, 90210’s Vincent Young andBritney Spearsgot together for a group photo.

09of 16Nicholle TomNicholle Tom in 1999.SGranitz/WireImageNicholle Tom’s days onThe Nannywere drawing to a close — the hit sitcom would end in June 1999 — but the party was just getting started.

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Nicholle Tom

Nicholle Tom in 1999.SGranitz/WireImage

Nicholle Tom during Teen People’s First Anniversary Party - Los Angeles at The Key Club in Los Angeles, California, United States

Nicholle Tom’s days onThe Nannywere drawing to a close — the hit sitcom would end in June 1999 — but the party was just getting started.

10of 16Tia and Tamera MowryTia and Tamera Mowry in 1999.Steve Granitz/WireImageDoes it look likeTia and Tamera Mowrywere having a good time? TheSister, Sisterstars took a dip at Teen PEOPLE’s 1999 party.

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Tia and Tamera Mowry

Tia and Tamera Mowry in 1999.Steve Granitz/WireImage

Tia & Tamera Mowry at the The Key Club in Los Angeles, California

Steve Granitz/WireImage

Does it look likeTia and Tamera Mowrywere having a good time? TheSister, Sisterstars took a dip at Teen PEOPLE’s 1999 party.

11of 16Jake Lloyd and FamilyJake Lloyd and family in 1999.SGranitz/WireImageJake Lloyd, the 9-year-old star of 1999’sStar Wars: Episode I - The Phantom Menace, brought along the whole family to the Teen PEOPLE event.

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Jake Lloyd and Family

Jake Lloyd and family in 1999.SGranitz/WireImage

Jake Lloyd & Family during Teen People’s First Anniversary Party - Los Angeles at The Key Club in Los Angeles, California, United States.

Jake Lloyd, the 9-year-old star of 1999’sStar Wars: Episode I - The Phantom Menace, brought along the whole family to the Teen PEOPLE event.

12of 16Ashton Kutcher and Wilmer ValderramaAshton Kutcher and Wilmer Valderrama in 1999.David Keeler/GettyAshton KutcherandWilmer Valderramaseemed pretty psyched to see each other. TheThat ’70s Showstars fell into each other’s arms in front of Teen PEOPLE’s step and repeat.

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Ashton Kutcher and Wilmer Valderrama

Ashton Kutcher and Wilmer Valderrama in 1999.David Keeler/Getty

“That 70’s Show” Ashton Kutcher and Wilmer Valderrama embrace at The Key Club to celebrate the 1 year anniversary of Teen People magazine.

Ashton KutcherandWilmer Valderramaseemed pretty psyched to see each other. TheThat ’70s Showstars fell into each other’s arms in front of Teen PEOPLE’s step and repeat.

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Ethan Erickson and Samantha Cole

Ethan Erickson and Samantha Cole in 1999.David Keeler/Getty

Ethan Erickson and Samantha Cole at The Key Club to celebrate the 1 year anniversary of Teen People magazine.

14of 16Rachael Leigh CookRachael Leigh Cook in 1999.Jim Spellman/WireImageRachael Leigh Cookflashed the winning smile that would steal hearts in 1999’sShe’s All That.

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Rachael Leigh Cook

Rachael Leigh Cook in 1999.Jim Spellman/WireImage

Rachael Leigh Cook during Teen People’s First Anniversary Party - Los Angeles at The Key Club in Los Angeles, California

Jim Spellman/WireImage

Rachael Leigh Cookflashed the winning smile that would steal hearts in 1999’sShe’s All That.

15of 16Wild OrchidStefanie Ridel, Renee Sandstrom and Fergie of Wild Orchid in 1999.SGranitz/WireImageGirl group Wild Orchid’s Stefanie Ridel, Renee Sands andFergievamped for the cameras.

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Wild Orchid

Stefanie Ridel, Renee Sandstrom and Fergie of Wild Orchid in 1999.SGranitz/WireImage

Stefanie Ridel, Renee Sandstrom and Stacy Ferguson (aka Fergie) of Wild Orchid during Teen People’s First Anniversary Party - Los Angeles at The Key Club in Los Angeles, California

Girl group Wild Orchid’s Stefanie Ridel, Renee Sands andFergievamped for the cameras.

16of 16Show Stoppers*NSYNC performing live in 1999.SGranitz/WireImageAnd to top it all off,*NSYNCtreated Teen PEOPLE’s celebrity guests to a live performance.

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Show Stoppers

*NSYNC performing live in 1999.SGranitz/WireImage