Lauren Conrad shows off her pearly whites as she attends the Hoss Intropia Dinner hosted by Cat Deeley held at Petit Ermitage Hotel on Tuesday night (October 25) in West Hollywood, Calif.

The 25-year-old designer/author wore a 3/4 sleeve ruched cocktail dress from the lines Fall/Winter 2011 collection.

Lauren just wrote on her official site today about her new books coming out!

“I am currently working on ‘Lauren Conrad Beauty’ and I want to make sure I address all of your questions, because this book is for you,” Lauren wrote. “Got questions about hair, makeup, skincare, manicures … or anything else beauty-related? Leave them in the comments below and I will check out all of your questions and work with my team to answer your beauty conundrums in the pages of my new book! How’s that sound?”

Leave her questions HERE.