Lily Allen was bombarded with “death threats” and online abuse after she confessed to sending her rescue dog back to the animal shelter. The 39-year-old pop star opened up about her troubles with pet pooch Mary – who was adopted from an animal sanctuary in New York in 2021 – in an episode of her ‘Miss Me?’ podcast revealing she got rid of the dog after it chewed her family’s passports and “ruined” her life and she’s now revealed the confession led to an outpouring of hate on social media. In a post on X – formerly known as Twitter, she wrote: “I’ve received some really abhorrent messages inclu…