Anna Faris once had to give advice to a woman who had been peed on by her sister-in-law.

Anna Faris

Anna Faris

The 41-year-old actress launched her podcast, 'Anna Faris is Unqualified', in 2015 with the help of her longtime friend Sim Sarna, and has that whilst she can usually dish out solid advice to those with relationship problems, she sometimes comes up against a listener with an issue even she can't comprehend.

Speaking about the weirdest listener problems she's ever had to deal with, Anna - who has six-year-old son Jack with her ex-husband Chris Pratt - said: "One was this gal got peed on by her husband's sister, who then denied it. At that point, it's sort of like, unless you're interviewing all party members involved, what do you say?

"There was another one where this gal had a threesome and the girl ends up being pregnant. And I mean, we are in over our heads. What do you do with that?"

Anna started the podcast as a hobby, and says that whilst she loves her job as an actress, she launched her podcast because wanted to "express" herself in her own way.

She added: "It was a project that I started as a hobby for a couple of reasons. I love doing the show that I do, 'Mom'. I wanted to have an avenue, though, where I felt like I could express who I was and also talk to strangers.

"It feels like a lot, but I feel incredibly passionate about all the things that I do. And then I feel like I keep piling on more."

The 'Scary Movie' star has had several celebrity guests on the show including Macaulay Culkin, Kelly Clarkson, Stan Lee, Chris Evans, and Lisa Kudrow, and the show is so popular, it became the first podcast to cross over to Top 40 Radio when it joined iHeartRadio earlier this year.

And Anna couldn't be happier with the podcast's success, as she was convinced only "four people" would tune in.

Speaking to People magazine, she said: "I really thought, 'Well, four people will listen to this.' We're really grateful that people actually listen."