AHN | All Headline News - Los Angeles, CA, United States (AHN) - Culminating the weekend-long celebration of Oprah's O Magazine, the Best Friends Animal Society party brought out celebrities and their canine fans, celebrating their inclusion as one of the charities benefiting from Oprah's "Live Your Best Life" Walk on Sunday, May 9th. Among the stars who appeared were "Twilight" star Rachelle Lefevre, who is also the celebrity spokesperson for Best Friends' anti-puppy mill campaign, "Puppies Aren't Products." "House" star Lisa Edelstein and Maggie Q, of TV's upcoming "Nikita," were also on hand for