Career
Heynatz hosted the first two cycles of the Foxtel reality television show Australia"s Next Top Model and the only season of the Ten Network"s The Hot House. She demonstrated a commitment to a singing career by leaving her Australia"s Next Top Model job, which went to Australian lads mag girl Jodhi Meares. Heynatz left Australia"s Next Top Model to pursue her singing and her commitment to appear on the Seven Network"s celebrity singing contest lieutenant Takes Two in 2006.
In 2003, she starred in the television movie Mermaids, and has since appeared in numerous other feature film roles.
She also appeared as a guest star in the sci-fi series Farscape in the episodes "Terra Firma" and "Unrealized Reality". In 2007, Heynatz starred in the motion picture Gabriel.
She has starred in an Olay commercial and was the co-host of the third series of lieutenant Takes Two. Erika was a special guest judge during Cycle 8 of America"s Next Top Model where one of the episodes was filmed in Sydney.
On 15 April 2008, Heynatz performed a cover of the Rosi Golan song "Slide" on lieutenant Takes Two and impressed the critics with the performance.
Heynatz had a recording contract with Electric and Music Industries Music Australia. Her debut single "Kingdom" was released on 12 February 2010. The video for the clip was filmed in the United States. Heynatz"s second single "Bullet" was released on 18 June 2010.
Her debut album, Sweeter Side, was released on 16 July 2010, which contains the singles "Kingdom" and "Bullet".
Heynatz appears in Rockstar Games Los Angeles Noire, as Elsa Lichtmann, which is produced using advanced motion capture technology. Although her character performs several 1940s-style songs in the game, synthpop singer Claudia Brücken performed those vocals.
In 2013, she appeared in the musical Legally Blonde as Brooke Windham. Also in 2014 she starred as the Usherette and Magenta in the Australian tour of The Rocky Horror Show.
In 2015, it was announced that Heynatz had joined Seven Network soap opera Home and Away in a recurring role as school teacher Charlotte King.
She first appeared on screen in June and departed in December of the same year, when her character was murdered by an unknown main character.