Justin Timberlake says John Mayer is the love child of Macy Gray and a bear. Justin was about to launch into an impression of the 'Gravity' singer when he likened John's vocal talents to a cross between Macy and a growling bear. Appearing on the premiere of US talk show 'Late Night with Jimmy Fallon', Justin - who is good friends with John - said: "I imitate stars because I love them. How would I describe John Mayer? He sounds like if Macy Gray and Smokey Robinson, or actually, Smokey the Bear had a love child." I imitate stars because I love them. How would I describe John Mayer? He sounds like if Macy Gray and Smokey Robinson, or actually, Smokey the Bear had a love child. He then launched into a rendition of John's hit 'Daughter' with a live band, while the audience whooped and cheered. Justin went on to joke about John's singing style, claiming the key to doing a good impression of the 'Gravity' singer was practicing your "...