Lisa Kudrow reveals shocking behavior of worst Friends guest star

Lisa Kudrow has revealed a horrifying comment a guest star said to her while on set filming Friends.

The 60-year-old starred as the iconic Phoebe Buffay on the hit US sitcom and unfortunately, just like Phoebe seemed to attract dubious men, Kudrow also experienced a moment with a less than pleasant guest star on the show.

Appearing on an episode of Andy Cohen's Watch What Happens Live back in 2017, Kudrow revealed the incident took place during a day of filming the show.

She recalled: "I rehearsed without makeup most of the week and then on show night I'm in hair and makeup and I was told, 'Oh wow, NOW you're' - can I say it? 'Now you're f**kable.'"

Kudrow added: "That's bad behavior, I say."

But what did Kudrow say back?

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Fellow guest on the show Jennifer Beals questioned the actor if she 'retaliated' and Kudrow explained she didn't, but she 'told Matt LeBlanc' who she described as 'like a big brother'.

And while Kudrow told her co-star about the exchange and who the other performer was, she didn't revealed their name publicly.

Although, she did note the guilty party was not Charlie Sheen who appeared in season two episode The One with the Chicken Pox. Sheen - best known for his role in Two and a Half Men - took on the role of Phoebe's old lover Ryan.

Kudrow isn't the only Friends star to have spoken out about the challenges women have faced in the industry, with Courteney Cox telling Bear Grylls on 2016's Running Wild being a woman in the film and tv industry is 'difficult' and 'getting older' in particular is 'not the easiest thing' but she has 'learned lessons'.

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She continued: "I was trying to keep up with getting older and trying to chase that. It's something you can't keep up with. The more you relax with it and the less you try...

"Sometimes you find yourself trying and then you look at a picture of yourself and you go, 'Oh god, I look horrible.'"

Despite noting she has been 'treated worse verbally' by some women over men in the industry, Jennifer Aniston also told InStyle she's similarly had 'some sloppy moves made on [her] by other actors'.

She resolved: "I handled it by walking away."

And it would seem Kudrow has chosen to do the same.