Vosovic is openly gay and currently lives in New York City. He has published a book, Fashion Inside Out, with a foreword by Tim Gunn. It was released on October 28, 2008. He also recently appeared in singer Anya Marina's music video of her cover of "Whatever You Like," by T.I.. The video was posted to YouTube on Nov. 12, 2009.
The 2009 premiere of Project Runway's sixth season was preceded by a two-hour special episode of Project Runway: All-Star Challenge where eight past contestants competed in one challenge for a cash prize of $100,000. Vosovic won the challenge.
Daniel launched his own fashion line in 2009 and has consistently released collections each season since then.