• KATHARINE MCPHEE  photo | Katharine McPhee

Credit: Jackson Lee/Splash News

Published: Tuesday February 17, 2009 12:45 PM EST

2009

KATHARINE MCPHEE

The singer celebrated Matthew Williamson's store opening in one of his beaded dresses and a Kara Ross clutch. While she's never worn one of the designer's dresses to an event before, she tells PEOPLE.com that he's "definitely on my radar."