Rob Lowe SLAMS Bella Thorne's Insensitive Montecito Mudslides Tweet — But Boyfriend Mod Sun Comes To Her Defense!

As you've likely heard, at least 17 people have died after mudslides swept through the Southern California town of Montecito. While the 20-year-old has since deleted the tactless tweet, the St. Elmo's Fire alum laid into the actress for her ignorance.