"This Is Who I Am" is the first single from Vanessa Amorosi's album Hazardous. The song, "This Is Who I Am", made its radio debut on the Kyle & Jackie O show on 28 August 2009 on the Fox FM radio station in Melbourne. The single was released in Australia on 9 October 2009.

For the first time Amorosi performed the song "This Is Who I Am" live on Channel 9's AFL Grand Final Breakfast on 26 September 2009.

Amorosi performed the song during Telethon in Perth on 3 October 2009. She performed "Perfect" after.

The single has debuted at number one on the Australian Singles Chart on 18 October 2009. Amorosi said: "I am completely overwhelmed when I heard ‘This Is Who I Am’ came in at number one. I am so excited and thrilled to have the support from both the media and my fans. It is my first number one single and I will absolutely treasure this moment."

In its second week on #1 in the ARIA charts the song achieved Gold status in Australia and has been certified Platinum in its 8th week of release.

All tracks were written by Amorosi/MachoPsycho and mixed by Chris Lord-Alge.

The iTunes digital EP includes an additional remix; "This Is Who I Am" (Macho Psycho Massive Strings Remix). Another remix, titled "This Is Who I Am" (Macho Psycho Euro Tech Remix), is available at Last.fm.

The video clip for "This Is Who I Am" was shot in Los Angeles and directed by Christopher R. Watson. The video was shot on green screen and was launched on 14 September 2009.

The video premiered on Take 40 Australia and The Hot Hits' web pages a few days before its official release.

This is Amorosi's first number-one single in Australia. Her single is also the first Australian female artist's single to debut at number one since Kylie Minogue's "2 Hearts" back in 2007, and the first debut number-one single since Flo Rida's "Right Round".

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Wikipedia