I have Ugly and Pon de Replay

Let The Sunshine - Labrinth
If We Ever Meet Again - Timbaland ft Katy Perry
B With Me - Mis-Teeq
Nasty Ghetto - Sugababes
My Heart Still Beats - Destiny's Child
Open Your Heart - Madonna
Loving Days - Kylie Minogue
SOS - Rihanna
Cinderella - Britney Spears
Love Sex Magic - Ciara ft Justin Timberlake

I have If We Ever Meet Again & SOS.

With Me - Sum 41
Bodies - Robbie Williams
Rude - MAGIC!
Love Like Winter - AFI
Ooh La La - Britney Spears
I Wish - Cher Lloyd (feat. T.I.)
Forever Young - Youth Group
Let It Go - Demi Lovato
Crossfire - Brandon Flowers
Bad Blood - Bastille

I have Ooh La La

Walking On Air - Katy Perry
Release - Timbaland & Justin Timberlake
Use Somebody - Pixie Lott
Superstar - Jamelia
Lonely - Britney Spears
How High - Madonna
Ooh Ooh Baby - Britney Spears
Buttons - The Pussycat Dolls
Do We Even Matter - Loreen
Footprints - Roisin Murphy

I have Superstar & Buttons.

Undefeated - Jason Derülo
Applause - Lady Gaga
Can't Remember To Forget You - Shakira (feat. Rihanna)
Rehab - Amy Winehouse
Counting Stars - OneRepublic
Disaster - Jojo
One Headlight - The Wallflowers
Summertime Sadness - Lana Del Rey
Early Winter - Gwen Stefani
Best Day Of My Life - American Authors

I have Applause

Ghost - Katy Perry
Did You Find Sanctuary - Future Perfect
Showdown - Britney Spears
(You Drive Me) Crazy - Britney Spears
Work - The Saturdays
Eagle - ABBA
Cry Me A River - Justin Timberlake
Lay All Your Love On Me - ABBA
Like This - Kelly Rowland
Say Yes - Monrose

I have the Saturdays, Justin Timberlake and the second Abba song.

1: Ill Manors - Plan B
2: Sun Goes Down - David Jordan
3: Millennium - Robbie Williams
4: I'm Yours - Jason Mraz
5: Country House - Blur
6: Blue (Da Ba Dee) - Eiffel 65
7: I Wish I Was A Punk Rocker (With Flowers In My Hair) - Sandi Thom
8: Time To Pretend - MGMT
9: Freak Me - Another Level
10: We Made You - Eminem

None

Do Somethin' - Britney Spears
Dear Diary - Roisin Murphy
Over To You Now - Britney Spears
Light Me Up - Parade
Denial - The Saturdays
Hit The Lights - Selena Gomez & The Scene
Crazy Chick - Charlotte Church
Lose My Breath - Destiny's Child
Never Gonna Dance Again - Sugababes
I Saw It In The Mirror - ABBA

I have Do Somthin', Hit The Lights & Never Gonna Dance Again.

Midnight City - M83
Turn Back Time - Aqua
Get Outta My Way - Kylie Minogue
Never Tear Us Apart - INXS
Wild Ones - Flo Rida (feat. Sia)
Like A Prayer - Madonna
My Life Would Suck Without You - Kelly Clarkson
Get Free - The Vines
Running Up That Hill - Placebo
Here Is Gone - Goo Goo Dolls

None

What Would You Do - City High
Too Lost In You - Sugababes
Excuse My French - Caro Emerald
We Just Go On - Pixie Lott
Mary Jane Holland - Lady Gaga
Born This Way - Lady Gaga
Completely - Caro Emerald
Crash And Burn - Sugababes
The Loving Kind - Girls Aloud
Thirsty - Cassie

I have the first two and Born This Way.

1: You Need Me, I Don't Need You - Ed Sheeran
2: Remember Me - Blueboy
3: So Good - B.o.B.
4: The Promise - Girls Aloud
5: Sex On Fire - Kings Of Leon
6: Wonderwall - Oasis
7: Another Night - The Real McCoy
8: Moving Too Fast - Artful Dodger and Romina Johnson
9: A Design For Life - Manic Street Preachers
10: Children - Robery Miles

I have The Promise

Turn Me Up - Girls Can't Catch
Elephant - Alexandra Burke
Mannequin - Britney Spears
Shape - Sugababes
Nobody Knows You When You're Down And Out - Katie Melua
Who Am I Living For - Katy Perry
Rip Her To Shreds - Blondie
Fantasy - Mariah Carey
In The Ayer - Flo Rida ft will.i.am
Whoops Now - Janet Jackson

None.

About You Now - Sugababes
God Only Knows - MKTO
America - Razorlight
Time Is Running Out - Muse
Salvation - Scanners
Who You Are - Jessie J
Skyfall - Adele
Manic Monday - The Bangles
Like A Prayer - Madonna
Wake Up - Arcade Fire

I have About You Now

Bass Down Low - Dev
Wish You Were Here - Lady Gaga
Let Me Be - Britney Spears
Superpower - Beyonce ft Frank Ocean
Money For Nothing - Darin
I Like You - Katy B
Hot As Ice - Britney Spears
Move On U - The Saturdays
Rock Me In - Britney Spears
Slow - Kylie Minogue

I have Katy B

Today I have:

The 1975 - The City
Empire Of The Sun - Alive
Calvin Harris - Flashback
London Grammar - Hey Now
White Lies - There Goes Our Love Again
Frank Turner - The Way I Tend To Be
The Script - For The First Time
Sound City - From Can To Can't
Imagine Dragons - Bleeding Out
Ben Howard - Keep Your Head Up

None this time

The Happiest Girl In The Whole USA - Lana Del Rey
Supernatural - Sugababes
So Young - The Corrs
Light As A Feather - Katy B
It's All About Me - Rachel Stevens
Shake - Little Boots
Lose My Breath - Destiny's Child
When The Storm Has Blown Over - Sophie Ellis-Bextor
Lonely - Britney Spears
Hundred Dollar Bill - Lana Del Rey

I have So Young & Lose My Breath.

Wake Me Up - Avicii
Strong - London Grammar
Rude - MAGIC!
Live For The Night - Krewella
Demons - Imagine Dragons
Too Little Too Late - Jojo
Incomplete - Backstreet Boys
This Train Don't Stop There Anymore - Elton John
Rehab - Amy Winehouse
Shot At The Night - The Killers

None this time

Can We Call A Truce - Sugababes
No Never - Monrose
Mmm Papi - Britney Spears
Poisoned Love - Future Perfect
'03 Bonnie & Clyde - Beyonce
Hearts Collide - Little Boots
Completely - Caro Emerald
FutureSex/LoveSound - Justin Timberlake
Radar - Britney Spears
The Thing I Love - Pixie Lott

I have none.

1: Galway Girl - Steve Mundy and Sharon Shannon
2: Ghetto Supastar (That Is What You Are) - Pras Michel featuring Ol' Dirty B*stard and Mya
3: (I Wanna Give You) Devotion - Nomad
4: Rez - Underworld
5: Why Does It Always Rain On Me? - Travis
6: Mr Saxobeat - Alexandra Stan
7: Nimma Nimma - A.R. Rahman
8: Anything Could Happen - Ellie Goulding
9: Chime - Orbital
10: 2012 (It Ain't The End) - Jay Sean featuring Nicki Minaj

I have Galway Girl (I'm from Galway ) and 2012 (It Ain't The End)

Gasoline - Britney Spears
By Chance - Sophie Ellis-Bextor
Double Rainbow - Katy Perry
When Love Takes Over - Pixie Lott
I Said Never Again (But Here We Are) - Rachel Stevens
Get Up - Ciara
The Sweet Escape - Gwen Stefani
I Have A Dream - ABBA
The Deer & The Wolf - Sophie Ellis-Bextor
Deeper - The Saturdays

I have The Sweet Escape.

That Don't Impress Me Much - Shania Twain
Dedication To My Ex (Miss That) - Lloyd (feat. Andre 3000)
Midnight City - M83
Come Undone - Robbie Williams
Warrior - Havana Brown
Slow It Down - Amy Macdonald
Who Knew - P!nk
4 In The Morning - Gwen Stefani
Timber - Pitbull (feat. Ke$ha)
Day & Night - Billie Piper

I have That Don't Impress Me Much and Day and Night

Piece of Me (Bimbo Jones Radio Edit) - Britney Spears
I Like You - Katy B
Marry The Night (David Jost & Twin Radio Mix) - Lady Gaga
Scheisse - Lady Gaga
I'm Gonna Be Alright - Jennifer Lopez
Stevie On The Radio - Pixie Lott
All That She Wants - Britney Spears
The Hook Up - Britney Spears
Eh, Eh (Nothing Else I Can Say) - Lady Gaga
It Hurts So Good - Luminites

I have none of those.

1: Who's Laughing Now - Jessie J
2: Girl On Fire - Alicia Keys
3: Better Off Alone - DJ Jurgen presents Alice Deejay
4: The Beat Goes On - The All Seeing I
5: Disco Love - The Saturdays
6: Crossroads - Bone Thugs-N-Harmony
7: Dirty Epic - Underworld
8: Open Arms - Elbow, London Symphony Orchestra and Urban Voices Collective
9: Better Together - Jack Johnson
10: Jerusalem/Flower Of Scotland/Danny Boy/Bread Of Heaven - Four Nations Army

I have Disco Love and Britney's version of The Beat Goes On (assuming it's the same song )

Whatcha Think About That - The Pussycat Dolls
E.T. - Katy Perry
Open Up - The Saturdays
Work It - Monrose
Stuck - Caro Emerald
What Goes Around... Comes Around - Justin Timberlake
E.T. - Katy Perry ft Kanye West
Remedy (Wideboys Stadium Radio Edit) - Little Boots
Hold Me In Your Arms - Pixie Lott
Funky Dory - Rachel Stevens

I have E.T & What Goes Around... Comes Around.

Higher - The Saturdays
Nobody's Perfect - Chris Brown
Warzone - The Wanted
Slow Down - Selena Gomez
God Only Knows - MKTO
Stay - Rihanna (feat. Mikky Ekko)
Our Velocity - Maximo Park
With Me - Sum 41
Coming Of Age - Foster The People
The Zephyr Song - Red Hot Chili Peppers

I have Higher

Chocolate - Kylie Minogue
Back Down - Sugababes
Your Love - Kylie Minogue
i Feel Loved - Depeche Mode
Completely - Caro Emerald
Jai Ho - The Pussycat Dolls
Say You'll Be There - Spice Girls
Dream Big - Jazmine Sullivan
Change - Emmelie de Forest
Ka-Ching! - Shania Twain