Project Runway Australia (season 4)

Project Runway Australia 4 is the fourth installment of the reality competition "Project Runway Australia", airing on 
Arena. The series premiered on 8 October 2012.
Overview.
Some changes have been made to the judging panel since the third season. Jarryd Clarke and Kirrily Johnston, judges on the previous season, did not return due to work commitments. They were replaced by fashion designer Peter Morrissey and stylist and fashion director of Harper's Bazaar Australia, Claudia Navone. Megan Gale returns as host and head judge, and Alex Perry returns as mentor to the designers.
Contestants.
Models
Episode summaries.
Episode one.
"Original airdate: 8 October 2012"
The first challenge of the season required the designers to create garment of their choosing to showcase who they are as a designer. No one was sent home, however Natalie and William (the bottom two) were required to compete head-to-head in the next challenge, with one of the two going home.
Episode two.
"Original airdate: 15 October 2012"
The designers were tasked with creating a sleek and sophisticated outfit made from materials purchased at The Reject Shop.
Episode three.
"Original airdate: 22 October 2012"
The challenge required the designers to create a commercial, white women's shirt and an accompanying outfit. The winning designer's white shirt would be featured in Madison Magazine and sold in Witchery stores in Australia, with proceeds going to ovarian cancer research.
Episode four.
"Original airdate: 29 October 2012"
The remaining designers were required to create an on-trend menswear look for a tradesman. As the winner of the previous challenge, Tristan could choose his client first, and pair up the rest of the designers and tradesmen.
Episode five.
"Original airdate: 5 November 2012"
Alex awoke the designers and took them to the Melbourne Museum in order to present their challenge; to form teams and create a demi-couture collection inspired by their surroundings. Christina could join the team she wanted for winning the previous challenge, and the entire winning team would be safe.
Alex later tasked the teams with creating a 5th look to open their collections.
Episode six.
"Original airdate: 12 November 2012"
The designers were tasked with creating a show-stopping garment featuring volume and curve using environmental shopping bags of various colours.
Episode seven.
"Original airdate: 19 November 2012"
The remaining designers were paired up with teenage girls and tasked with creating a dress for them to wear to their school formal. For winning the last challenge, William got to allocate each designer their budget.
Episode eight.
"Original airdate: 26 November 2012"
The challenge for this week had the designers creating a dress for singer and television personality Natalie Bassingthwaighte to wear to a music awards show. Later, Alex tasked the designers to create an additional dress for Natalie to wear to an after party. Designers could only choose 2 fabrics, could not share or use the same fabrics as others, and had two extra hours to finish both looks.
Episode nine.
"Original airdate: 3 December 2012"
In this challenge, contestants had to design an outfit that would later have a photo shoot. Christina got eliminated after her black ruffled dress looked far too tortured for the runway how ever the judges decide to being her back afterwards.
Episode ten.
"Original airdate: 10 December 2012"
Episode eleven.
"Original airdate: 17 December 2012"