Crew members at NBC reality TV series “Fashion Star” have begun a third day of picketing Tuesday over the lack of a union contract.

Negotiations with producers began Monday but have not yet resulted in a deal for the Intl. Alliance of Theatrical Stage Employees to rep the crew members. 

Producers halted shooting Saturday at Hollywood Center Studios.

IATSE organizer Vanessa Holtgrewe the union will continue to picket the shooting locations until the crew has a union contract,” she added.

“Fashion Star” includes Jessica Simpson, Nicole Richie and John Varvatos as judges. Show is produced by Electus, Magical Elves Prods. and 5X5 Media.

Representatives for NBC had no comment. Reps for the producers could not be immediately reached for comment.