She got her start in the industry with Megaville, and went on to be a wardrobe assistant on Toys and Red Shoe Diaries. Shortly thereafter she became the main costumer designer on Angel and Marti Noxon's Point Pleasant.
In December 2005, she auctioned off several of the costumes from Firefly that were in her private collection. Many of which were purchased by fans, who wore them to the 2006 Browncoats' Ball. She attended the ball and posed for a group shot with everyone who was wearing her original costumes.
Trpcic has volunteered at Juvenile Hall, encouraging young women to realize their worth to our society, and teaches art at a men's maximum security state prison in Northern California.