Justin Bieber, Rihanna, Ryan Seacrest, Shakira Lead Social Media Movement for Africa

The following artists have agreed to post messages on behalf of the Save the Children campaign. The cumulative total of the number of Facebook and Twitter fans and followers equals 730 million.

Eminem
Rihanna
Lady Gaga
Michael Jackson
Shakira
Justin Bieber
Cristiano Ronaldo
Bob Marley
Beyonce
Avril Lavigne
Selena Gomez
David Beckham
Jennifer Lopez
Carrie Underwood
Ryan Seacrest
Victoria Beckham
Lewis Hamilton
Andy Murray
Scotty Mcreery
Annie Lennox
Emma Bunton
Lauren Alaina
Will Young
Jamie Murray
Britney Spears
Bruno Mars
Madonna
Take That
Muse
U2
Muhammad Ali
Charlize Theron
Conan O'Brien
R Kelly
Tinie Tempah
Coldplay
Lily Allen
Queen
Enrigue Iglesias
Gwen Stafani
Elton John
Iman
Sting
Robert Plant
Keane
Shiela E
Ricky Martin
Tego Calderon
Taio Cruz
Brandy
Carolina Liar
Ziggy Marley
Cedella Marley
Kanye West
Nelly Furtado
Jay-Z
K'Naan
Bryan Adams
Paul Weller
The Wanted
Mumford & Sons
Tinchy Stryder
McFly
Mika
N-Dubz
Bombay Bicycle Club
Josh Osho
Dev
Ben Howard
Dionne Bromfield
Alex Winston
Lauren Pritchard
Alex Clare
Rizzle Kicks
David Cook
Elbow
Nicola Roberts
Pixie Lott
Snow Patrol
The Rolling Stones
The Pierces
AR Rahman
Trojan
Modestep
Chase & Status
Mark Knopfler
Amy Mcdonald
Razorlight
Noah & the Whale
Noisettes
ONO
Wonderland
Futures
Jakwob
Maverick Sabre
Soundgirl
Kassidy
Dot Rotten
The Struts
Borne Blonde
David's Lyre
Various Cruelties
Badly Drawn Boy
Dananananaykroyd
Futureheads
Hyde & Beast
Kash
Kurran + The Wolfnotes
Larsen B
Performance
Richard Ashcroft
Scissor Sisters
Sound of Arrows
The Charlatans
Zuzu
The Saturdays
Girls Aloud
RD
Clare Mcquire
Clover Drive
Alice Gold
The Macabees
Alexander Stan
Derek & The Dominoes
INNA
Mick Oldfield
Motorhead
Rainbow
Sandy Denny
The Jam
Thin Lizzy
Bryan May
Steven Tyler
Jamiroqui
Cover Drive
The Drums
Abba
Black Sabbath
Cascada
Cast
Clubland
Duchess
Four Tops
Grandaddy
Jackson 5
James Brown
Jason Donovan
Lionel Ritchie
Martin Solveig
Marvin Gaye
Michael Ball
Nirvana
Paul McCartney
Saint Etinenne
Skepta
Status Quo
Teena Marie
The Beautiful South
The Kinks
The Puppini Sisters
The Supremes
Alfie Boe
Imelda May
Maroon 5
Nicole Scherzinger
Ken Paves
Devlin
Hinder
Julian Lennon
Melissa Molinaro
LMFAO
Rachel Zoe