Venice Film Festival kicked off this week with a Beetlejuice Beetlejuice bang—and hairstyles aplenty. Cate Blanchett, Jenna Ortega, Winona Ryder, Taylor Russell, and Monica Bellucci arrived at the premiere dressed in suitably show-stopping ensembles, but it was their hair that really made their looks.Vittorio Zunino Celotto/Getty ImagesDaniele VenturelliThere were bangs, bobs, ’90s up-dos, mid-lengths, and…