United States First Lady Michelle Obama is set to make a guest appearance on hit ABC music drama Nashville.

She will appear on the show's season two finale, which will air in the US in May.

In the episode, queen of country music Rayna James, played by Connie Britton, will host a charity fundraiser at Fort Campbell.

You can catch Nashville on TG4 on Tuesdays at 9:05pm and on More 4, Thursdays at 10:00pm.