If it is songs that have been both #1 in the UK & US the list could consist of:
Blondie - Call Me
Barbra Streisand - Woman In Love
John Lennon - (Just Like) Starting Over
Blondie - The Tide Is High
Paul McCartney & Stevie Wonder - Ebony And Ivory
Human League - Don't You Want Me
Survivor - Eye Of The Tiger
Men At Work - Down Under
Michael Jackson - Billie Jean (JLS?)
Dexy's Midnight Runners - Come On Eileen
The Police - Every Breath You Take
Bonnie Tyler - Total Eclipse Of The Heart (LAURA?)
Culture Club - Karma Chameleon
Lionel Richie - Hello
Duran Duran - The Reflex
Stevie Wonder - I Just Called To Say I Love You
Wham! - Wake Me Up Before You Go-Go
Foreigner - I Want To Know What Love Is
George Michael - Careless Whisper
USA For Africa - We Are The World
Whitney Houston - Saving All My Love For You (ALEXANDRA?)
Falco - Rock Me Amadeus
Pet Shop Boys - West End Girls
Madonna - Papa Don't Preach
Berlin - Take My Breath Away
Starship - Nothing's Gonna Stop Us Now
Aretha Franklin & George Michael - I Knew You Were Waiting (For Me)
Whitney Houston - I Wanna Dance With Somebody (Who Loves Me)
Madonna - Who's That Girl?
Los Lobos - La Bamba
Michael Jackson - I Just Can't Stop Loving You
Tiffany - I Think We're Alone Now
Belinda Carlisle - Heaven Is A Place On Earth
Rick Astley - Never Gonna Give You Up
UB40 - Red Red Wine
Phil Collins - A Groovy Kind Of Love
The Bangles - Eternal Flame
Madonna - Like A Prayer
Sinead O'Connor - Nothing Compares 2 U (DIANA?)
Madonna - Vogue
Vanilla Ice - Ice Ice Baby
Bryan Adams - (Everything I Do) I Do It For You (DANIEL?)
Michael Jackson - Black Or White
George Michael & Elton John - Don't Let The Sun Go Down On Me
Boyz II Men - End Of The Road (AUSTIN?)
Whitney Houston - I Will Always Love You
UB40 - Can't Help Falling In Love
Meat Loaf - I'd Do Anything For Love (But I Won't Do That)
Michael Jackson - You Are Not Alone (EOGHAN?)
Coolio featuring L.V. - Gangsta's Paradise
Spice Girls - Wannabe (GIRL BAND/BAD LASHES?)
Hanson - Mmmbop
Puff Daddy & Faith Evans featuring 112 - I'll Be Missing You
Elton John - Candle In The Wind/Something About The Way You Look Tonight (SCOTT?)
Celine Dion - My Heart Will Go On
Britney Spears - Baby One More Time
Cher - Believe
Ricky Martin - Livin' La Vida Loca
Christina Aguilera - Genie In A Bottle
Madonna - Music
Destiny's Child - Independent Women
Shaggy featuring Ricardo 'RikRok' Ducent - It Wasn't Me
Shaggy featuring Rayvon - Angel
Christina Aguilera, Lil' Kim, Mya & Pink - Lady Marmalade (GIRL BAND/BAD LASHES?)
Nelly featuring Kelly Rowland - Dilemma
Eminem - Lose Yourself
Beyonce featuring Jay-Z - Crazy In Love
Usher featuring Lil' Jon - Yeah!
Usher - Burn
Ciara - Goodies
James Blunt - You're Beautiful
Ne-Yo - So Sick
Shakira - Hips Don't Lie (RUTH?)
Justin Timberlake - SexyBack
Timbaland featuring Nelly Furtado & Justin Timberlake - Give It To Me
Rihanna featuring Jay-Z - Umbrella (RACHEL?)
Sean Kingston - Beautiful Girls
Kanye West - Stronger
Leona Lewis - Bleeding Love
Rihanna - Take A Bow
Katy Perry - I Kissed A Girl
P!nk - So What