Pregnant Miranda Kerr Walks in Balenciaga Runway Show During Paris Fashion Week

Miranda Kerr walks the runway at the Balenciaga Spring/Summer 2011 fashion show during Paris Fashion Week on Sept. 30, 2010 in Paris. (Chris Moore/Catwalking/Getty Images)

NEW YORK (CBS) Expecting Australian supermodel Miranda Kerr made a surprise appearance at the Balenciaga runway show during Paris Fashion Week on Thursday.

PICTURES: Celebrity Baby Bumps
PICTURES: World's Top-Paid Models

Kerr, who is five months pregnant, showed off her baby bump while walking the catwalk wearing the Spring/Summer 2011 creations for the luxury fashion house.

Her husband, actor Orlando Bloom, proudly watched Kerr in the front row, alongside Salma Hayek, who was with her husband, Francois-Henri Pinault, Vogue editor-in-chief Anna Wintour, and French actress Charlotte Gainsbourg.

Thursday's runway presentation also featured supermodels Carolyn Murphy, Stella Tennant and new mom Gisele Bundchen, who closed the show.