Heidi is gearing up for hallwoeen blowout New York - Arabstoday   Heidi Klum hits the orange carpet at the TeenNick Halo Awards at the Hollywood Palladium in Hollywood . The 38-year-old German model and “Project Runway” host teamed up with Nick Canon and TeenNick to recognize teens who make a difference in their communities. And the model looked gorgeous in a Versace gown. Heidi is gearing up for her annual Halloween blowout, and this year’s celebration will be held at Tao Las Vegas! She’s been giving hints about what her costume will be over on Twitter.