Cara Delevingne and Candice Swanepoel chow down before the Victoria's Secret Fashion Show on Nov. 13. Credit: Courtesy Cara Delevingne

On Dec. 10, the Victoria's Secret Fashion Show will air on CBS, but tonight the legendary lingerie show is being taped with a live audience and thousands of dollars worth of intimates. But sassy British model Cara Delevingne doesn't seem concerned about fitting into her designer undies. 

She took to Instagram on Nov. 13 to show a picture of her "prep," which featured her and fellow Victoria's Secret model Candice Swanepoel chowing down on lots of food, including a giant plate of French fries. 

"#regram @jeromeduran @angelcandices prep for the show #vsfashionshow #howwedo," she captioned the pic. 

Swanepoel will be wearing the $10 million fantasy bra in tonight's show, so she she must have even more confidence than her quirky partner in crime.

Delevingne also walked the Victoria's Secret runway in 2012, sporting her favorite accessories -- her signature thick eyebrows.