Washington PostMichelle Obama to guest star on 'Nashville'Business StandardMichelle Obama is to make a cameo appearance on American musical drama series 'Nashville' next month. The First Lady, 50, will make a cameo appearance as herself in an upcoming episode of the ABC drama, which will air on May 7 and lead up to the ...Michelle Obama to Guest Star on May 7 Episode of ABC's 'Nashville'Fashion TimesMrs.