Are you Team Backstreet Boys or Team *NSYNC?

Yes, it’s possible for you to be both but only one of them holds the No.

In the late-’90s and early-’00s, boy bands ruled all.

Boyband Fever

*Clockwise from upper left: NSYNC; Backstreet Boys; New Kids on the Block; O-Town.Credit: Frank Micelotta/ImageDirect; Tim Roney/Getty Images; Ebet Roberts/Redferns; Tim Roney/Getty Images

The actor crooned alongside Mike Miller, Bryan Chan, and Jonas Persch.

The other four membersreunited virtuallyto perform as a tribute to Trousdale shortly after his death.

“I don’t know if we’re going to tour,“McCartney told E!

18. LMNT

From left: Bryan Chan, Jonas Persch, Ikaika Kahoano, and Mike Miller of LMNT.L. Cohen/WireImage

“We definitely promised each other we’re going keep in touch more and see each other.”

The track reached No.

10 in the U.S. and was featured on the group’s most successful album the 1998 self-titled debut record,5ive.

17. Dream Street

From left: Matt Ballinger, Greg Rasposo, Jesse McCartney, Chris Trousdale, and Frankie Galasso of Dream Street.Tim Mosenfelder/ImageDirect via Getty Images

Their final tour took place in 2005.

BBMak

Mark Barry, Christian Burns, and Stephen McNally formed the late-’90s/early-’00s British boy band BBMak.

The group saw its highs with a 2001 appearance onEven Stevensand a No.

16. 5ive

Clockwise from upper left: Sean Conlon, Abz Love, Scott Robinson, Ritchie Neville, and Jason ‘J’ Brown of 5ive.Tim Roney/Getty Images

13 single with 2000’s “Back Here.”

New Edition

Originally formed in the ’70s,New Editionsaw a resurgence with the 1996 albumHome Again.

With the exception of sporadic reunions and performances, 2004’sOne Lovewas New Edition’s last major project.

15. soulDecision

From left: Dave Bowman, Trevor Guthrie, and Ken Lewko of soulDecision.Steve Granitz/WireImage

The track hit No.

1 in countries worldwide and landed the band a spot in 2001’s Ozzfest.

Falling in line with the widespread boy band sophomore slump, Crazy Town went on hiatus following 2002’sDarkhorse.

14. BBMak

From left: Mark Barry, Stephen McNally, and Christian Burns of BBMak.Brian Rasic/Getty Images

One of the band’s two singers, Bret Mazur, left in 2017.

The other singer, Shifty Shellshock, renamed the group Crazy Town X afterward.

LFO fell to the sophomore curse after 2001’sLife Is Good, disbanding in 2002.

13. New Edition

From left: Johnny Gill, Ricky Bell, Ronnie Devoe, Ralph Tresvant, Bobby Brown, and Michael Bivins of New Edition.Jeff Kravitz/FilmMagic

Remaining member Fischetti still performs.

The singers got their footing with the “Uh Huh”-led 2002 albumB2K.

After appearing in the 2004 movieYou Got Served, B2K broke up as Omarion pursued a solo career.

12. Crazy Town

From left: Epic Mazur and Shifty Shellshock of Crazy Town.Vince Bucci/Getty Images

The whole group reunited in 2019 for a tour but did not release a new album.

Hanson

Long before theJonas Brothers, there wasHanson.

Brothers Isaac, Taylor, and Zac Hanson dropped their debut album,Middle of Nowhere,in 1997.

11. LFO

From left: Brad Fischetti, Devin Lima, and Rich Cronin of LFO.Kevin Mazur/WireImage

Led by the famed earworm “MMMBop,” the album hit No.

2 and went multiplatinum.

The group continues to perform, releasing eight full-length studio albums and touring regularly.

10. 112

From left: Daron Jones, Michael Keith, Marvin “Slim” Scandrick, and Quinnes “Q” Parker of 112.Stephen J. Cohen/Getty Images

All these years later, the band remains proud of their earliest hit.

“O-Townhit the sophomore curse with 2002’sO2, butreunited sans Angelin 2014.

The foursome released two albums, 2014’sLines & Circlesand 2019’sThe O.T.W.N.

9. Savage Garden

From left: Daniel Jones and Darren Hayes of Savage Garden.Martin Philbey/Redferns

Album, and continues to perform.

98 Degrees

Brothers Drew andNick Lachey, along with Jeff Timmons and Justin Jeffre, formed98 Degreesin the ’90s.

The group also hit the road on a25th anniversary tour in 2024.

8. B2K

From left: Raz-B, Lil' Fizz, J-Boog, and Omarion of B2K.Getty Images

New Kids on the Block

As LFO famously sang,New Kids on the Blockhad a bunch of hits.

The group released its self-titled debut in 1986 and followed it up with 1988’sHangin' Toughand 1990’sStep by Step.

The Backstreet Boys

Backstreet is officially back (alright!).

7. Hanson

From left: Taylor, Isaac, and Zac Hanson of Hanson.Tim Roney/Getty Images

The quintet took a brief hiatus in the mid-2000s before reuniting.

*NSYNC

Backstreet Boys may have longevity, but *NSYNC had the glory.

Then came 2000’sNo Strings Attached, led by the now-infamous “Bye Bye Bye.”

6. O-Town

From left: Ashley Parker Angel, Erik Michael Estrada, Trevor Penick, Dan Miller, and Jacob Underwood of O-Town.Tim Roney/Getty Images

While Timberlake’s star power ultimately eclipsed the others, the group has a spot in pop history.

The fivesome broke up shortly after 2022’sCelebritybut reunited for asingle performanceat the 2013 MTV Video Music Awards.

5. 98 Degrees

From left: Drew Lachey, Justin Jeffre, Nick Lachey, and Justin Jeffre of 98 Degrees.Paul Drinkwater/NBC/NBCU Photo Bank

4. New Kids on the Block

From left: Donnie Wahlberg, Jonathan Knight, Joey McIntyre, Jordan Knight, and Danny Wood of New Kids on the Block.Ebet Roberts/Redferns

3. Boyz II Men

From left: Michael McCary, Wanya Morris, Nathan Morris, and Shawn Stockman of Boyz II Men.Michel Linssen/Redferns

2. The Backstreet Boys

From left: Howie Dorough, Nick Carter, AJ MacLean, Kevin Richardson, and Brian Littrell of the Backstreet Boys.Tim Roney/Getty Images

1. *NSYNC

*From left: Lance Bass, Chris Kirkpatrick, Justin Timberlake, JC Chasez, and Joey Fatone of NSYNC.Frank Micelotta/ImageDirect via Getty Images