Russell Brand has been chatting casually about Katy Perry's 'lady bits', bit awkward

Russell Brand should probably abstain from talking about Katy Perry's 'lady bits', now that they're divorced and everything.

Russell Brand has been talking about Katy Perry's 'lady parts' in a new interview, awks. Copyright [Splash]

But being the jovial fella that he is, he won't... and he hasn't.

While chatting with radio presenter Howard Stern, Russell was happy to admit several intimate details about Katy's 'flower' (we hate that we just used that word).

When asked about his ex-wife, Russell initially tried to refuse to talk about the subject, before then saying: "So help me, Howard Stern, I will not compromise my ex-wife’s vagina for the sake of ratings!"

Katy Perry is 'perfect from top to bottom', according to her ex-husband Russell Brand. Copyright [Splash]

Smooth.

Despite the slip-up, he was more than complimentary about Katy, adding: "That woman was perfect from top to bottom!"

And when pushed about her relationship with new boyfriend John Mayer, Russell readily admitted that he thinks John's 'Lothario ways' are "worse" than his.

He told Howard: "[He's] Worse or better, depending on how you view it."

Russell Brand says John Mayer is 'worse' when it comes to womanising. Copyright [Splash]

Despite the leakage of personal details, Russell says he's working on letting his marriage go, including the desire to protect Katy from the media.

He added: "You have to let go of the instinct to protect someone once you divorce them."

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And while he might have been pictured with an abundance of different women of late, the 37-year-old says he's definitely NOT dating Demi Moore.

He continued: "I really like her, she's a beautiful person. I'm not dating anybody. Actually, I'd like a romance."