| 2005 | Led The Pussycat Dolls to global superstardom with the debut album 'PCD', which produced the multi-platinum singles 'Don't Cha' and 'Stickwitu' and launched the group into arenas worldwide. |
| 2010 | Won season ten of 'Dancing with the Stars' as a celebrity competitor and, while guest judging on 'The X Factor UK', persuaded the panel to keep five eliminated solo contestants together as One Direction. |
| 2011 | Debuted as a solo artist with the album 'Killer Love', scoring UK Top 10 hits with 'Poison' and 'Don't Hold Your Breath', and joined 'The X Factor UK' as a full panel judge. |
| 2014 | Released second solo album 'Big Fat Lie' on RCA Records and voiced a role in 'Men in Black 3', expanding her presence across music and film simultaneously. |
| 2015 | Earned a Laurence Olivier Award nomination for Best Actress in a Supporting Role in a Musical for her West End debut as Grizabella in the revival of 'Cats' at the London Palladium, winning standing ovations for 'Memory'. |
| 2016 | Voiced Sina, Moana's mother, in Disney's animated feature 'Moana', adding a signature role to a filmography that already spanned pop, television, and live theater. |
| 2023 | Starred as Norma Desmond in Jamie Lloyd's minimalist revival of 'Sunset Boulevard' at the Savoy Theatre in London's West End, receiving unanimous critical acclaim for her vocal power and dramatic intensity. |
| 2024 | Won the Olivier Award for Best Actress in a Musical for 'Sunset Boulevard', with the production sweeping seven Oliviers including Best Musical Revival, then transferred the production to Broadway's St. James Theatre. |
| 2025 | Won the Tony Award for Best Leading Actress in a Musical for 'Sunset Boulevard' at Radio City Music Hall, completing a London-to-Broadway sweep and marking her as one of the rare artists who has conquered pop, television, and stage at the highest level. |