Video: Josh Duhamel on Renewing Wedding Vows to Fergie

Josh Duhamel and Fergie are celebrating their one year anniversary this week and the 'When in Rome' actor opened up to ET's Mark Steines about his lovely wife and their decision to renew their marriage vows.

"She's the best thing that's ever happened to me," Josh said of Fergie, adding that they want to renew their vows every year. "We got the idea from Heidi Klum and Seal, they do that. ... and she said 'I want to do that.' ... I thought it was a great idea."

Josh joked about the vow renewal ceremony saying that he and Fergie switched wedding outfits, putting him in a dress. "It was a little emasculating but whatever makes her happy."