I have the album version of I'm Real

Everyday - Britney Spears
Welcome To Heartbreak - Kanye West & Kid Cudi
Misbehavin' - Thalia
E.T. - Katy Perry
One Night Stand - Mis-Teeq
Do That Dance - Monrose
Love Is A Camera - Sophie Ellis-Bextor
It Takes More - Ms Dynamite
Nu Flow - Big Brovaz
Dance With Me - Destiny's Child

I have ET and Nu Flow.

1: Ego - The Saturdays
2: Take A Chance On Me - Abba
3: Play Hard - David Guetta featuring Ne-Yo and Akon
4: L.I.F.E.G.O.E.S.O.N. - Noah and the Whale
5: Dub Be Good To Me - Beats International featuring Lindy Leyton
6: Galvanize - Chemical Brothers
7: All The Right Moves - OneRepublic
8: Stop Me - Mark Ronson featuring Daniel Merriweather
9: Stop Crying Your Heart Out - Oasis
10: No Good (Start The Dance) - The Prodigy

I have Ego and Take A Chance On Me

Run The Show (ft Busta Rhymes) - Kat DeLuna
The Day Before You Came - ABBA
Downtown - Emma Bunton
Lace and Leather - Britney Spears
Pure Pleasure Seeker - Moloko
Black Beauty - Lana Del Rey
Angels With Dirty Faces - Sugababes
Fools - Rachel Stevens
Higher - The Saturdays ft Flo Rida
What About Us - The Saturdays ft Sean Paul

I have Higher (love it!)

1. Is This Love - Alison Moyet
2. I Speak Because I Can - Laura Marling
3. Your Game - Will Young
4. The Gallery - Joni Mitchell
5. Cult of Personality - Living Colour
6. Uptown Funk - Mark Ronson ft Bruno Mars
7. A Design For Life - Manic Street Preachers
8. Peach, Plum, Pear - Joanna Newsom
9. Hysteria - Muse
10. Pay The Iron Price - Ramin Djawadi

I have Uptown Funk.

1. Part Of Me- Katy Perry
2. Love Me Like You Do- Ellie Goulding
3. Can't Get You Out Of My Head- Kylie Minogue
4. Story Of My Life- One Direction
5. Wrapped Up- Olly Murs
6. Parachute- Cheryl Cole
7. Grenade- Bruno Mars
8. 2 Hearts- Kylie Minogue
9. Material Girl- Madonnas
10. Happy- Pharrell

I have all except 2 Hearts and Material Girl.

1: Crossroads - Blazin' Squad
2: All That She Wants - Ace of Base
3: Always Look On The Bright Side Of Life - Eric Idle
4: For My People - Missy Elliott
5: Beautiful Monster - Ne-Yo
6: Everybody's Free - Rozalla
7: Kickstarts - Example
8: Handlebars - Flobots
9: Paradise - Coldplay
10: Chime - Orbital

None, but I have an unreleased Britney Spears song called All That She Wants

Hummingbird Heartbeat - Katy Perry
Deep In My Heart - Britney Spears
Thirsty - Cassie
Sarah - Bat For Lashes
American - Lana Del Rey
Stand Down - Little Mix
Close Your Eyes - Lily Allen
Scheisse - Lady Gaga
Puppet - The Saturdays
Carmen - Lana Del Rey

I have none of those (PS - It seems the ATSW on your iPod isn't a cover of the ATSW on my iPhone).

1: Yeah Yeah - Willy Moon
2: Shine - Take That
3: I Like The Way - Bodyrockers
4: From Paris To Berlin - Infernal
5: Break Your Heart - Taio Cruz
6: Basket Case - Green Day
7: Two Can Play That Game - Bobby Brown
8: LDN - Lily Allen
9: Out Of The Blue - System F
10: Free - Ultra Nate

I have From Paris To Berlin and LDN

When I Lost You - Sarah Whatmore
Lease My Love - The Saturdays
Conscious - Britney Spears
Til It's Gone - Britney Spears
Release - Timbaland & Justin Timberlake
True Blue - Madonna
Brave New Girl - Britney Spears
It Hurts So Good - Luminites
Look Who's Talking Now - Britney Spears
Footprints - Roisin Murphy

My iPod really loves Britney tonight, probably getting ready for tomorrow as I'll be playing a lot of her songs then

I have none.

Uma Thurman - Fall Out Boy
Gold On The Ceiling - The Black Keys
New In Town - Little Boots
Stars Are Blind - Paris Hilton
Heartbreaker - Mariah Carey (feat. Jay-Z)
Round Round - Sugababes
Miss Nothing - The Pretty Reckless
Don't Speak - No Doubt
The End Is The Beginning Is The End - Smashing Pumpkins
Glad You Came - The Wanted

I have New In Town and Round Round

Overprotected - Britney Spears
Love Song - Madonna
My Love - Pixie Lott
Life Got Cold - Girls Aloud
Sucker - Charli XCX
Boys Boys Boys - Lady Gaga
Red Balloon - Charli XCX
Sparkle - Sophie Ellis-Bextor
Mandolin Summer Sun - Jamie Lynn Spears
Just One Nite - Cassie

I have none of those.

1: He Ain't Heavy, He's My Brother - The Justice Collective
2: Bang Bang - will.i.am
3: Ugly Heart - G.R.L.
4: I Thought It Was Over - The Feeling
5: Beautiful Stranger - Madonna
6: The Rockafeller Skank - Fatboy Slim
7: Always Loved A Film - Underworld
8: R U Crazy - Conor Maynard
9: Big Love - Pete Heller's Big Love
10: Price Tag/Written In The Stars/Dynamite - Jessie J, Tinie Tempah and Taio Cruz

None

Front Story - Loveable Rogues
Bionic - Christina Aguilera
Please Mr. Postman - The Saturdays
Flashback - The Saturdays
Beat The Speed of Sound - Emmelie de Forest
Karma Karma (ft Alcazar) - Same Difference
Don't Stop The Music - Rihanna
Sugar (ft Wynter) - Flo Rida
Puppet - The Saturdays
From Paris To Berlin - Infernal

I have the last one.

1: Evacuate The Dancefloor - Cascada
2: Pure Imagination - Russell Brand and London Symphony Orchestra
3: One - U2
4: Word Crimes - Weird Al Yankovic
5: Stay - Shakespear's Sister
6: Cheating - John Newman
7: Stuck In The Middle With You - Stealers Wheel
8: Parachute - Cheryl Cole
9: If You're Not The One - Daniel Bedingfield
10: Read All About It - Professor Green featuring Emeli Sande

I have Evacuate The Dancefloor and Parachute

I Can Get What I Want - Banned of St Trinian's
War of Words - Future Perfect
Sorry - Madonna
Nothing's Gonna Stop Us Now - Starship
Bionic - Christina Aguilera
Supernova - Mr. Hudson ft Kanye West
What Would You Do - City High
When You Were My Man (Live At The Pool/2013) - Pixie Lott
War Child - Blondie
Whatever Sets You Free - Little Boots

I've the Madonna track, Sorry.

Antmusic - Adam & The Ants
Love Don't Live Here Anymore - Jimmy Nail
All Night Long - Mary Jane Girls
Party Fears Two - Associates
Somebody's Watching Me - Rockwell
I'm In Love With A German Filmstar - Passions
Autobahn - Kraftwerk
Tragedy - Bee Gees
Space Bass - Slick
Sunrise - Simply Red

None

It Takes Two - Katy Perry
Piece of Me (Boz o lo Remix) - Britney Spears
Don't Touch The Fader - Monrose
Love Game - Lady Gaga
Aaliyah - Katy B ft Jessie Ware
You Are In Love - Taylor Swift
Susue And Jeffrey - Blondie
Send My Best - Holly Valance
Lucky Ones - Lana Del Rey
Chop Me Up - Justin Timberlake

I had completely forgotten about this thread. And I have none of those.

1: Airplanes - B.o.B. featuring Hayley Williams
2: 19-2000 (Soulchild Remix) - Gorillaz
3: Can We Dance - The Vamps
4: Something New - Girls Aloud
5: Stay - Shakespear's Sister
6: Believe - Cher
7: Don't Stop Movin' - S Club 7
8: Dreamer - Livin' Joy
9: Girls - Sugababes
10: Just Looking - Stereophonics

I have Airplanes and Girls

Rehab - Rihanna
Waiting - Wynter Gordon
By Chance - Sophie Ellis-Bextor
Strictly Physical - Monrose
Heavy Hitter - Lana Del Rey
Remedy (Wideboys Stadium Radio Edit) - Little Boots
Carry Out - Timbaland ft Justin Timberlake
Nobody Knows You When You're Lonely - Katie Melua
Green Light - John Legend ft Andre 3000
Katy On A Mission - Katy B

I have the album versh of Remedy and KOAM.

1: LDN - Lily Allen
2: Big Love (Eat Me Edit) - Pete Heller's Big Love
3: Airplanes - B.o.B. featuring Hayley Williams
4: 19-2000 (Soulchild Remix) - Gorillaz
5: Believe - Cher
6: Raise Your Glass - P!nk
7: Love Song - Sara Bareilles
8: King Of My Castle - Wamdue Project
9: Caught In The Middle - A1
10: Everyday I Love You Less And Less - Kaiser Chiefs

(All the s are because they came up yesterday as well.)

I have LDN and Airplanes

Tranquil Eyes - Northern Kind
Greatest Hits Megamix - The Saturdays
I Am Just A Girl - ABBA
We Just Go On - Pixie Lott
Freakshow - Britney Spears
Cherish - Madonna
30 Days (Instrumental) - The Saturdays
Whoops Now - Janet Jackson
Don't Go Knockin' On My Door - Britney Spears
Guilty - Britney Spears

I have none of those.

1: Beautiful Stranger - Madonna
2: Good Enough - Dodgy
3: Crazy For You - Groove Armada
4: Tragedy - Steps
5: Waka Waka (This Time For Africa) - Shakira featuring Freshlyground
6: Nine2five - Ordinary Boys vs Lady Sovereign
7: Crossroads - Blazin' Squad
8: One Day Like This - Elbow
9: Satisfaction - Benny Benassi presents The Biz
10: C'est La Vie - B*Witched

None, but I used to have C'est La Vie Still have the CD single and B*Witched's first album on cassette

Selfish - Britney Spears
Hit The Lights - Selena Gomez & The Scene
Haunted - Beyonce
Bad Boys (ft Flo Rida) - Alexandra Burke
Leaving You - Pixie Lott
Not Like The Movies - Katy Perry
No More You - Sugababes
Everytime - Loreen
E-Mail My Heart - Britney Spears
Heal (ft Blanks) - Loreen

I have Bad Boys.

1: Evergreen - Will Young
2: Welcome To The Black Parade - My Chemical Romance
3: Take Me To Church - Hozier
4: C'est La Vie - B*Witched
5: Thriller - Michael Jackson
6: The Final Countdown - Europe
7: Under Pressure - Queen and David Bowie
8: Dance Wiv Me - Dizzee Rascal featuring Calvin Harris and Chrome
9: Black Heart - StooShe
10: Looking For Love - Karen Ramirez

None, but I used to have Evergreen and C'est La Vie

E.V.O.L - Marina and the Diamonds
This Is How We Do - Katy Perry
Live Life Now - Cheryl
Get Sexy - Sugababes
Alfie - Lily Allen
Sidewalk - Loreen
Denial - The Saturdays
Bad Romance - Lady Gaga
Where's The Party - Madonna
Unconditionally - Katy Perry