Williams auditioned for the third season of Australian Idol in 2005. During the season, she scored three touchdowns from judge Mark Holden. On 15 November 2005, betting agency Centrebet announced their final-week prediction that Williams would win the competition, with her odds at $1.36 and Kate DeAraugo at $3.00. However, on 21 November 2005, it was announced that the winner was DeAraugo.
| Round | Song choice | Original artist |
|---|---|---|
| Audition | "Rock with You" | Michael Jackson |
| Theatre Week | "Can't Help Falling in Love" | Elvis Presley |
| Theatre Week | "Finally" | CeCe Peniston |
| Theatre Week | "Fallin'" | Alicia Keys |
| Top 30 | "Make It Happen" | Mariah Carey |
| Wildcard | "To Zion" | Lauryn Hill |
| Top 13 | "Buses and Trains" | Bachelor Girl |
| Top 11 | "Respect" | Aretha Franklin |
| Top 10 | "Bohemian Rhapsody" | Queen |
| Top 9 | "Hero" | Mariah Carey |
| Top 8 | "All the Way" | Frank Sinatra |
| Top 7 | "I Wanna Dance With Somebody" | Whitney Houston |
| Up Close & Personal | "How Come U Don't Call Me Anymore?" | Prince |
| Top 6 | "River Deep – Mountain High" | Ike Turner & Tina Turner |
| Top 5 | "I'm Every Woman" | Chaka Khan |
| Top 4 | "Can't Help Falling in Love" | Elvis Presley |
| "Blue Suede Shoes" | ||
| Top 3 | "...Baby One More Time" | Britney Spears |
| "I Will Always Love You" | Whitney Houston | |
| Top 2 | "Since U Been Gone" | Kelly Clarkson |
| "Emotion | Samantha Sang | |
| "Maybe Tonight" | Kate DeAraugo |
Read more about this topic: Emily Williams