Daniel Radcliffe is definitely dapper in his suit as he arrives at the after party for opening night of his new play, How To Succeed in Business Without Really Trying, The Plaza Hotel in New York City on Sunday night (March 27).

The 21-year-old actor wore head-to-ankle Brooks Brothers on and off the stage. For the production, Brooks Brothers worked costume designer, Catherine Zuber to create made-to-measure suits and topcoats for Daniel’s character, J. Pierrepont Finch as well as the full male cast.

Other celeb guests at opening night and at the party include director Garry Marshall, John Stamos and Katharine McPhee.

15+ pics inside…