Actress and musician Sofia Carson dropped jaws on the Oscar red carpet with her Cinderella-style black gown. Carson wore a Giambattista Valli one-shoulder black tulle dress with an armed skirt with a marked waist and a corset-like neckline. Her chosen hairstyle was a slicked low bun to the side, baring her face to show her outlined style cat-eye makeup. WATCH SOFIA CARSON’S uINTERVIEW HERE! Her arrival at the ceremony came only a couple of days after the former Disney star released her first-ever LP, Sofia Carson, which was released last Friday. Though she wasn’t nominated for this year’s even…