The I Am Number Four actress also snapped a pic for our pals at The Elephant Project, an organization which raises monies and awareness for the Alzheimerâ€™s Association.
Dianna wore a Nation LTD â€œPomona Sweatshirtâ€ in black French terry, and a Peton Coat and the Elle Boots by Tory Burch.
Check out the Sarah Hart featurette below. I Am Number Four hits theaters THIS FRIDAY!
Meet Sarah Hart