After Jessica Gibson adopted Zola, a former stray, the pup was kicked out of obedience school for bad behavior. Three years later, she's headed to the world's biggest dog show, Gibson told the BBC.

"She’s nowhere like the dog she used to be," 19-year-old Jessica Gibson said of her competition-bound collie, Zola Bailey Richards is a writer-reporter at PEOPLE. She has been working at PEOPLE since ...