"I don't think I've hit the ground yet," she said. "I'm sitting in my apartment, having a bowl of soup. It's been quite a whirlwind morning. I just hope I don't die from it. I'm feeling very, very heightened right now."
'Once' leads Tony Award nominations with 11 nods →
Accepting the award from presenter Christopher Plummer, Arianda admitted something very personal to the 82-year-old Plummer: "You were my first crush!" she squealed.
'Once' crowned best musical at the Tony Awards →