to Menounos and Hough for their Argentine tango to " La Yumba " by Osvaldo Pugliese , but not for their jive routine to " Tightrope " by Janelle Monae . Video: Maria Menounos and Derek Hough's perfect Argentine tango. [youtube= http://www.youtube.com/watch?v=IetLwSKlR8o] The Argentine tango begins with the audience only able