HOT GALLERY: Lauren Conrad Shares Some "Sweet Little Lies"

Lauren Conrad smiled proudly as she promoted her new book, Sweet Little Lies, which hit bookshelves everywhere this week.

OK! NEWS VIDEO: LAUREN CONRAD TIGHT-LIPPED ON HEIDI MONTAG'S PLASTIC SURGERIES

Lauren signed copies of Sweet Little Lies at Barnes & Noble in NYC on Wednesday.

OK! HOT GALLERY: LAUREN & LO ARE DINING DIVAS IN HOLLYWOOD

Sweet Little Lies is the follow-up to her first novel and best-seller L.A. Candy!

FOR ALL THE LATEST CELEB NEWS & PICS, CHECK OUT THE NEW ISSUE OF OK! ON STANDS EVERYWHERE!