After 50 years, Barbra Streisand takes to the Tonight Show starring Jimmy Fallon! She has a new record that came out today called Partners! Duets with the biggest stars in music, including Elvis, Blake Shelton, Michele Buble.. being that they could not make it on the Tonight Show.. Jimmy Fallon stood in for all 3 to sing with Barbra Streisand! This was an epic Tonight Show! Barbra Streisand is classic!