Sia's Husband Wrote Shia LaBeouf's Loving Grammy Intro

One of the stranger moments at the 2015 Grammy Awards was when actor Shia LaBeouf introduced Sia’s “Chandelier” performance in an exceedingly heartfelt manner. The singer and the actor had collaborated on the controversial “Elastic Heart” music video, but even that didn’t warrant LaBeouf’s poetic outpouring. However, as Us Weekly later discovered,…