updated 08/19/2011 AT 10:00 AM ET
•originally published 08/19/2011 AT 10:50 AM ET
He may make the young women in the audience of his Broadway show How to Succeed in Business Without Really Trying shriek when he shakes his compact little body during his dance numbers, but there’s really only one person Daniel Radcliffe cares to succeed with: Rosanne Coker.
She’s the one the Harry Potter star described as his “girlfriend at the moment, who I am very much in love with.”
Only as late as Thursday, just as photos of her and Radcliffe strolling hand-in-hand together in New York surfaced, the young woman’s identity remained a mystery.