United Kingdom, April 19 -- Chappell Roan is "obsessed" with guinea pigs.

The 27-year-old pop star has a passion for the rodents and, at one point had four of her own but also offered her services at a rescue shelter for a period of time.

Speaking on the 'Las Culturistas' podcast, she said: "I'm really glad that guinea pigs have their own culture online because I'm a guinea pig girl.

"I'm just obsessed with them. I had four at a time but they passed away. I think they're the cutest animals on earth. I volunteered at a guinea pig rescue for a year. I love rodents in general and the guinea pig community online is awesome."

In the years before she found global fame with hits like 'Pink Pony Club' and 'Good Luck, Babe!' filmed her four gu...