Models Heidi Klum (L) and Karolina Kurkova joke around as they pose with a new Very Sexy Infinity Edge Extreme bra during a news conference to announce the Victoria's Secret "What is Sexy" 2007 list at the Victoria's Secret store at the Forum Shops at Caesars Palace April 19, 2007 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
