Question: Heart on My Sleeve is a song first released by which Australian singer?

Context paragraphs:
Quasimodo's Dream: Quasimodo's Dream is the second album by Australian group The Reels, released in May 1981 by Polygram Records.  It is considered to be the band's best work and contains the iconic title track, which was voted as number 10 on APRA's list of Top 30 Australian songs.  Other singles from the album include "After the News" and "Shout and Deliver".  The song "According to My Heart", a cover of the 1961 Jim Reeves song had been included on the album against the wishes of the band, as a result of this, there was a sticker on the inner sleeve that said "Due to Record Company Pressure This Album Contains The Hit Single According To My Heart".

Don't Call It Love: "Don't Call It Love" is a song first released by American singer Kim Carnes on her 1981 album "Mistaken Identity".  The following year it was covered by Captain and Tennille and Dusty Springfield from their albums "More Than Dancing" and "White Heat".  Later the song was covered and released as a single by American entertainer Dolly Parton.  It was released in January 1985 as the first single from the album "Real Love".  The song reached number 3 on the "Billboard" Hot Country Singles & Tracks chart.  "Don't Call It Love" was also an Adult Contemporary hit, reaching number 12 in the US and number seven in Canada.

Michael Johns (singer): Michael Johns (born Michael John Lee; 20 October 1978 – 1 August 2014) was an Australian singer who finished in eighth place on the seventh season of "American Idol", in 2008.  In 2009, he released a music album, "Hold Back My Heart," which sold 20,000 copies.  Johns died on 1 August 2014, at the age of 35 of dilated cardiomyopathy.

Heart Beats Again: "Heart Beats Again" is a song recorded by Australian singer and songwriter Dami Im for her third studio album, "Heart Beats".  It was written by Im and produced by Carl Dimitaga.  The song was released on 30 September 2014, as a promotional single from "Heart Beats".  Upon its release, "Heart Beats Again" debuted at number 92 on the ARIA Singles Chart.

Heart on My Sleeve: "Heart on My Sleeve" is a song written by James Morrison and John Shanks.  It was first released by "American Idol" season 7 contestant Michael Johns from his post-"Idol" album, "Hold Back My Heart".  The single was released on iTunes, on 14 April 2009.  The song was later recorded by Olly Murs and released on 6 March 2011 as his third single from his debut album "Olly Murs".

Heart Hypnotic: "Heart Hypnotic" is a song by Australian singer Delta Goodrem.  The song was digitally released on 17 June 2013.  It was written by Goodrem, Ryan Tedder, Noel Zancanella, Justin Franks, Parker Ighile and Vince Pizzinga, and was produced by Tedder.  "Heart Hypnotic" peaked at number seven on the ARIA Singles Chart and was certified gold by the Australian Recording Industry Association for selling 35,000 copies.  The track was promoted by a performance at the grand finale of the second season of the "The Voice Australia".

My Sweetheart is Somewhere in France: "My Sweetheart Is Somewhere in France" is a World War I era song first released in 1917.  Mary Earl composed the music and wrote the lyrics.  Shapiro, Bernstein & Co.  Inc. of New York City published the song.  Elizabeth Spencer performed a version of the song that was released by the Victor record label.

Neopolitan Dreams: "Neopolitan Dreams" is a song performed and written by Australian singer–songwriter Lisa Mitchell from her second extended play "Welcome to the Afternoon" (2008) and first studio album, "Wonder" (2009).  It was released in August 2008 by Scorpio Music and peaked at number 70 on the Australian ARIA chart in August 2009, a year after it was first released.  Sonnengruss ft. Jana recorded a cover of the song.

Sweet Talk (Samantha Jade song): "Sweet Talk" is a song recorded by Australian singer Samantha Jade.  "Sweet Talk" was written by Charlotte "Charli" Taft, Brian Lee and Andrew Bolooki, and produced by Paro, with co-production from Brian Lee.  It was first released on 18 November 2014, and subsequently debuted at number thirty-eight on the Australian ARIA singles chart.  The song's accompanying music video was released on 21 November 2014 via YouTube, alongside its physical CD single release.

Himlen runt hörnet (song): "Himlen runt hörnet" is a song first released as a single by Lisa Nilsson in 1992.  In 1995 it was released in English with the title, "Ticket to Heaven".  The song was given a Grammis award for "Song of the year 1992" and won the Rockbjörnen award in the "Swedish song of the year 1995" category

Supporting paragraphs: Heart on My Sleeve Michael Johns (singer)
Answer: Michael Johns