Miss Universe 2008, the 57th Miss Universe pageant, was held at the Crown Convention Center in the Diamond Bay Resort, Nha Trang, Vietnam on July 14, 2008. Dayana Mendoza, Miss Venezuela, was crowned Miss Universe 2008 by outgoing titleholder Riyo Mori from Japan. Eighty contestants competed in the event which was broadcast and distributed globally via NBC in English and Telemundo in Spanish to TV outlets in more than 180 countries. The pageant was watched by a live audience of 7,500 and nearly a billion television viewers worldwide. This is the first major USA-based television production to take place in Vietnam since the end of the Vietnam War. This is also the first time that the Miss Universe pageant was broadcast in 1080i High-definition. This pageant was held in a contemporary Communist state for the first time as well. The final presentation show was on July 8, the dress rehearsal on July 13, and the live telecast on July 14. Most activities were held successively in Ho Chi Minh City, Ha Noi, Da Nang, Hoi An, Ha Long and finally Nha Trang. Jerry Springer, tabloid talk show host and host of NBC's America's Got Talent, and Melanie Brown, a.k.a. "Scary Spice", member of the UK pop group Spice Girls and host of TLC's The Singing Office, presented this year's competition. Lady Gaga performed her hit single "Just Dance" for the first time in television.