It’s a clothes call for Lauren Conrad!

One month after the 23-year-old designer announced that she was taking a hiatus from her upscale clothing line, the Hills star reveals that she is launching a brand-new apparel line for Kohl’s department stores.

See photos of the design war between Lauren and Hills co-star Heidi Montag.

“It is a California chic line,” she tells Usmagazine.com of the new…