Dolly Parton made a surprise appearance Wednesday at the opening of Dolly's Tennessean Travel Stop ... a great relief to worried fans after she canceled her Las Vegas ...

Lionel Richie was rushed to a hospital after falling ill onstage Wednesday night in the middle of his concert ... TMZ has learned. Richie cut his performance short at the Grand ...

Poo Bear will be looking for a new place to hibernate this winter, it seems ... because he's selling his Miami penthouse -- asking for an 8-figure sum. The singer and producer ...