Nicole Scherzinger had perfect response after she awkwardly caught Conan O'Brien staring at her breasts

Nicole Scherzinger had a quick response after catching Conan O'Brien looking at her chest during an interview.

The singer made an appearance on the comedian's late night show, Conan, back in 2011.

However, the former Pussycat Dolls singer had the perfect quip when she noticed that O'Brien's attention was going elsewhere.

Take a look below:

At the time, Scherzinger had joined X-Factor as a guest judge, replacing fellow singer Cheryl Cole on the panel.

When talking about how she'd met Simon Cowell, she notices the veteran host’s eye, um, glaze over shall we say.

Trying to push past the awkward moment, the singer continues explaining and turns away.

“It’s kind of crazy, what happened is…the way that I met Simon they asked me to be guest judge,”, she says until she turns back with a clear look of frustration on her face.

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Gesturing up towards her eyes, she then sharply tells the presenter: “Focus Conan.”

She then tries to keep going with her point before laughing the embarrassing moment off as Conan looks away.

His co-host, Andy Ritcher, also joined in the interaction, saying: "That is so unfair."

The late-night talk show host is then left scrambling for an apology, as the audience is in hysterics over the interaction.

And of course, he wasn’t just about to let the awkward moment go.

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The 60-year-old comedian continues to apologise to the Moana star as the audience continues to laugh.

“I’m sorry, I’m sorry,” he shouts, with hands pointing towards Scherzinger.

As the clip continues, O'Brien then makes an off-hand joke about not being able to not look.

“Let's be real for a second. You didn’t think I wasn’t gonna look down there,” he asked Scherzinger as she shields her face from the presenter.

The ‘When I Grow Up’ singer then tries to reason with the talk show host, laughing as he then swings his head violently around.

He then quips: “God, I think I just threw my neck out.”

Thankfully, Scherzinger seemed to have seen the funny side rather than be offended by the interaction.

Recalling the incident with Rolling Stone magazine in 2011, she said: “He asked me a question, I was answering it – but he wasn’t focusing at all. I just had to remind him to focus.”

She then joked: “He went with it well.”

Here’s hoping he’s able to focus more easily in other interviews.