[Nutitle]

Gaga: 2011/2015
Rihanna: 2016
Adele: idk, probably 2011 or 2016
Britney: I only started stanning for her in 2011 so let me say 2016 too
Beyoncé (lowkey one of my faves): 2013/2014 imo

[Gladion]

2011

[LeonaLewisThunder]

Music wise: I Am era
success wise: Spirit era

[This Is Acting]

Katy: 2011
Gaga: 2010
Tove: 2014
Sia: 2014
Ellie: 2012

[UnusualBoy]

Britney: 1999-2004 then 2008-2009
Gaga: 2009-2011
Adele: 2011-Today
Rihanna: 2007, 2010-2013
Katy: 2008-Today

[OurLuckyStrike]

Gaga:
2009 - 2012 (BTWB tour was great and she also did a lot of fun things for the fans (CLLG, FAME, Stache remix, etc.)

[LOUAY]

Beyoncé today I mean the acclaim feels so good.

[ReachOut]

2003/2004/2005 and 2007

[heartbeats]

Katy- 2008-2011

[Legend E]

Probably 2005, but since I was too young then, I'd say 2011-2012

[BlackAura]

Gaga 2009/10, first half of 2011. Every other options for her is wrong

[Jet]

Ariana: 2016
Beyoncé: 2016

Both are at their peaks.

[sweetheart]

Mariah : 2013. In that new decade.

[asanders10795544]

MJ - Hmm....Bad or Dangerous probably. Though I wasn't even born then

Bey - Now

Tevin - 1994

[slaveney]

Katy: 2008,2010-2013
Britney:1999-2004,2007-2009
Mariah: 1990-2000,2005-2008
Kylie: 1998-2003, 2010
Janet: 1989-2001
Madonna: 1985-1990,1998, 2005

[State of Grace.]

Gaga: 2010/2011 - 2015
Ariana: 2016
Taylor: probably 2014/2015

[katykater]

Katy: 2011 - today (can't comment on the years before I started stanning hard for someone)

[mikeyace16]

Taylor: 2008-2010 and 2014-2015

[bijonse]

2009 for bey. even though BEY and lemonade are huge and much better musically, following bey was more fun back then simply because she was more active.

2014 for hyolyn and the sistars. Hyolyn was fresh off her amazing debut, touch my body, I swear, best female group at MAMAs

[Bencharmer]

Madonna : 2005
Ariana : 2014
Kylie : 2002
Katy : 2010
Zara : 2017 or 2018