Alexandra Braun Waldeck (born May 19, 1983) is a Venezuelan TV show host and Miss Earth 2005, an annual international beauty pageant promoting environmental awareness. Growing up in Caracas, Braun graduated cum laude with a Technical Degree in Marketing and Advertising. She’s of German parentage whose family migrated to Venezuela after World War II.
The 5'10" Venezuelan beauty queen went on to compete in the 2005 Miss Venezuela pageant. While she only placed first runner-up, representing Nueva Esparta, she was selected by Sambil Model Caracas to represent Venezuela at Miss Earth held in Manila, Philippines. She was crowned Miss Earth on October 23, 2005, where eighty contestants from all over the world took part in the competition. Braun, a 22-year-old model, also got the prize for Best in Swimsuit. She was the first Venezuelan to win the competition. Her win makes Venezuela the second country after Brazil to win all of the "Big Four" pageants.
Braun crowned her successor, Hil Hernández, during the 2006 Miss Earth pageant finale on November 26, 2006, held at the National Museum in Manila, Philippines. Her Miss Earth Venezuela successor, Marianne Puglia, was crowned Miss Earth Fire, the equivalent of 3rd runner up.