– “I Will Always Love You” – Whitney Houston – Originally written by Dolly Parton for herself, it became a huge hit for Houston. –
– “Umbrella” – Rihanna – Was first offered to Britney Spears, but she turned it down. –
– “Happy” – Pharrell Williams – Was originally written for CeeLo Green, but he passed on it. –
– “Since U Been Gone” – Kelly Clarkson – P!nk and Hilary Duff were both offered the song before Clarkson recorded it. –
– “We Can’t Stop” – Miley Cyrus – Originally intended for Rihanna, but Miley ended up recording it. –
– “Don’t You (Forget About Me)” – Simple Minds – Billy Idol and Bryan Ferry were approached first but declined. –
– “How Will I Know” – Whitney Houston – Originally written for Janet Jackson, but it became one of Houston’s iconic hits. –
– “Toxic” – Britney Spears – Was first offered to Kylie Minogue, who turned it down. –
– “Rock Your Body” – Justin Timberlake – Initially written for Michael Jackson for his Invincible album. –
“Call Me” – Blondie – Was written for Stevie Nicks, but she declined to record it.