Mine:
1. Britney Spears - Blackout (2007)
2. The Killers - Hot Fuss (2004)
3. Nelly Furtado - Loose (2006)
4. Amy Winehouse - Back to Black (2006)
5. Green Day - American Idiot (2004)
6. The Killers - Sam's Town (2006)
7. Avril Lavigne - Under My Skin (2004)
8. Hilary Duff - Hilary Duff (2004)
9. Lana Del Rey - Born to Die (2012)
10. Brandon Flowers - Flamingo (2011)


And yours?

Loud
Talk That Talk
Unapologetic
SomeNights
BornthisWay
+
Contrast
BorntoDie
The Fame Monster


That's all for now

Hm..

1. Back To Black - Amy Winehouse (2006)
2. Sam's Town - The Killers (2006)
3. Born This Way - Lady Gaga (2011)
4. Vespertine - Björk (2001)
5. My Beautiful Dark Twisted Fantasy (2010)
6. Lovers Rock - Sade (2000)
7. Brand New Eyes - Paramore (2009)
8. xx - The xx (2009)
9. Born To Die - Lana Del Rey (2012)
10. Unapologetic - Rihanna (2012)

It constantly changes to be honest, but these are the first that came to my mind.

This decade, so far (not in order):

4-Beyonce
Unapologetic-Rihanna
My Beautiful Dark Twisted Fantasy-Kanye West
Trilogy-The Weeknd
Ceremonials-Florence + The Machine
Kaleidoscope Dream-Miguel
Electra Heart-Marina and the Diamonds
Loud-Rihanna

That's it I guess.

1. Lady Gaga - The Fame Monster
2. Lady Gaga - The Fame
3. The All-American Rejects - Move Along
4. Florence + The Machine - Lungs
5. The All-American Rejects - When the World Goes Down
6. Beyoncé - B'Day
7. Madonna - Confessions On A Dance Floor
8. Janelle Monáe - Metropolis: The Chase Suite
9.Beyoncé - I Am...Sasha Fierce
10. Britney Spears - Blackout

Wait is it just 2000-2009? I'm seeing people reply with albums after 2010.

Well, my idea was from 2003 until now

BTW - Gaga
The Fame (Monster) - Gaga
Overpowered - Roisin Murphy
Discovery - Daft Punk
Genesis - Grimes
A Day Without Rain - Enya
Anniemal - Annie
La Roux - La Roux
On a Mission - Katy B
Devotion - Jessie Ware

OH.

Well in that case...

1. Lady Gaga - Born This Way
2. Janelle Monáe - The ArchAndroid
3. Pendulum - Immersion
4. Jónsi - Go
5. Lady Gaga - The Fame Monster
6. The All-American Rejects - Move Along
7. Scissor Sisters - Night Work
8. Lady Gaga - The Fame
9. Beyoncé - 4
10. Florence + The Machine - Ceremonials

From 2003 to this day?
Born to Die+Paradise
Viva la Vida
The Slip
Elephant
Year Zero
The Black & White Album
Aim & IgniteA Rush of Blood...
Celebration Rock
Tourist History
LongLiveA$ap

Last 10 years? Ugh.

1. In Rainbows - Radiohead
2. Soldier of Love - Sade
3. good kid, m.A.A.d city - Kendrick Lamar
4. The College Dropout - Kanye West
5. Speakerboxxx/The Love Below - Outkast
6. Confessions on a Dancefloor - Madonna
7. Medúlla - Björk
8. xx - The xx
9. Back to Black - Amy Winehouse
10. The Fame (Monster) - Gaga

This is not finale, I will probably change it in the next few minutes.

1. The Fame Monster - Lady Gaga
2. Blackout - Britney Spears
3. Confessions on a Dance Floor - Madonna
4. Kiss - Carly Rae Jepsen
5. Born to Die - Lana Del Rey
6. Aphrodite - Kylie Minogue
7. The Fame - Lady Gaga
8. Teenage Dream - Katy Perry
9. Talk That Talk - Rihanna
10. Warrior - Ke$ha

That's pop albums only. Otherwise throw in Fallen by Evanescence at #2.

1.good girl gone bad
2.rated r
3.talk that talk
4.unapologetic
5.loud
6.blackout
7.circus
8.the fame monster ep
9.daughtry
10.fantasy ride

19
21
Lungs
Ceremonial
Barton Hollow
Blown Away
Unorthodox Jukebox
The World from the Side of the Moon

Kanye West, My Beautiful Dark Twisted Fantasy
M.I.A., Kala
The xx, xx
Arcade Fire, Funeral
Kendrick Lamar, good kid, m.A.A.d city
Amy Winehouse, Back to Black
The Knife, Silent Shout
Janelle Monáe, The ArchAndroid
Animal Collective, Merriweather Post Pavilion
Beyoncé, 4

My list changes all the time

Right now, in no particular order:
Jake Bugg - Jake Bugg (2012)
Florence + the Machine - Lungs (2009)
Arctic Monkeys - Whatever People Say I Am, That's What I'm Not (2006)
30 Seconds to Mars - This Is War (2009)
MGMT - Oracular Spectacular (2008)
The White Stripes - Elephant (2003)
Arcade Fire - Funeral (2004)
The xx - xx (2009)
The Libertines - The Libertines (2004)
Taylor Swift - Red (2012)

1. "Alright, Still" - Lily Allen
2. "Love. Angel. Music. Baby." - Gwen Stefani
3. "/\/\ /\ Y /\" - M.I.A.
4. "xx" - The xx
5. "Crystal Castles" - Crystal Castles
6. "Fever Ray" - Fever Ray
7. "The Money Store" - Death Grips
8. "Reign Of Terror" - Sleigh Bells
9. "Back To Black" - Amy Winehouse
10. "Public Warning" - Lady Sovereign

I think.

Not in order:

Miley Cyrus - Can't Be Tamed
Miley Cyrus - Hannah Montana Forever
Taylor Swift - Speak Now
Bridgit Mendler - Hello My Name Is...
Lana Del Rey - Born To Die
Ellie Goulding - Bright Lights
Ke$ha - Warrior
Kelly Clarkson - Stronger
Selena Gomez & the Scene - When The Sun Goes Down
Demi Lovato - Here We Go Again

The Fame Monster
B'Day
Channel Orange
Back To Black
Santigold
4
Confessions On A Dancefloor
LOUD
In The Zone
The Dutchess