TODAY 8a: Hollywood writers go on strike. New details in wedding day tragedy. TODAY goes to the MET Gala. Joanna Gaines on TODAY.

<p>More than 10,000 screenwriters walk out for the first time in more than 15 years after contract negotiations collapsed overnight. Also, a bride was killed by a speeding drunk driver while leaving her wedding reception. Plus, an inside look at the show-stopping looks and surprise reveals at this year’s MET Gala. And, catch up with Joanna Gaines on the 20th anniversary of Magnolia, her epic family trip, and her new cookbook. </p>