Research has shown over the last four years first lady Michelle Obama has been just about everywhere on TV from Comedy Central to Nickelodeon.

The study found Mrs Obama has already outpaced past first ladies, like Laura Bush and Hillary Clinton, in the number of TV appearances she's made over the first four years of a president's term.

...Democratic political strategist Doug Schoena, who was researcher and strategic consultant for former President Bill Clinton, said: 'I think they have a great asset and they're using it.

...During the appearances, Mrs Obama has focused on her initiatives like 'Joining Forces,' which is designed to honour U.S. troops, and 'Let's Move,' which tries to educate people on the dangers of childhood obesity.