Lauren Alaina is an author...Carrie Underwood is done with Calia... Lauren Alaina's book, Getting Good at Being You, comes out on December 7th.She hopes the book, which details her struggles and successes, will empower young women. Carrie Underwood is saying bye to the company Calia, the activewear brand she launched with Dick's Sporting Goods six years ago. Carrie shared the news on Instagram, saying. "This new product hitting stores now will be my last collection, which I will continue to…