“I started to cry when I met her backstage.

O’Donnell went on to recall the moment she met Scherzinger, which moved her to tears.

When I went backstage, I started to cry like an idiot,” O’Donnell said.

Rosie O’Donnell attends Inaugural SignLight International Film Festival: Opening Night Screening Of “Being Michelle” ; Nicole Scherzinger Sunset Boulevard

Rosie O’Donnell; Nicole Scherzinger in ‘Sunset Blvd.'.Olivia Wong/Getty; Marc Brenner

“I was like, ‘I dont even know what to say to you.’

Shes doing this until July.

People, go see this.

It is a stripped-down, modernized version with playbacks and videos and everyone in the cast was outstanding.”

Two standing ovations during the show, after two of her big songs, people stood up.

A lot of people, including me," O’Donnell observed.

“It was amazing.

The entertainer’s prediction comes after Scherzinger made waves in the United Kingdom duringSunset Blvd.

Watch O’Donnell’s reaction to Scherzinger’s performance in the video above.