"I Loves You, Porgy" is a duet from the 1935 opera Porgy and Bess with music by George Gershwin and lyrics by Ira Gershwin. It was performed in the opera's premiere in 1935 and on Broadway the same year by Anne Brown and Todd Duncan. From Wikipedia
The 50th Anniversary of the AMAs featured iconic performances and appearances from music legends and celebrities in Los Angeles.