Too Fab has learned the company behind Nicole Richie’s designer line Winter Kate is suing a swanky L.A. boutique for $230,000.

According to legal docs filed recently in L.A. County Superior Court, Majestic Mills — the company that owns Richie’s label — claims L.A. boutique Kitson received $239,437 worth of Richie’s duds to sell in their stores, but still hasn’t paid for them.

Majestic claims Kitson promised to remit within 30 days of receiving an invoice when they inked the deal earlier this year — but according to the docs, months have already gone by and Majestic has nothing to show for it.

Majestic wants Kitson to hand over every last cent for the clothes — worth $60 to $600 apiece — on top of whatever interest the boutique owes.

Calls to Kitson haven’t been returned.

Source: Too Fab