The Academy-Award winning actress, who presented at the 93rd Oscars ceremony, brought Gordon along as her date -- and the pair laughed and glowed when talking to On The Red Carpet's George Pennacchio before the show.
"We have so much fun together. She's the coolest mom ever. I'm a lucky girl," Gordon said.
When Pennacchio told Moreno he saw her new documentary, "Just a Girl Who Decided to Go for It," she gasped.
Moreno said while shooting the film, which takes an intimate look at her 70-year career, she promised she would be as truthful as possible -- even if that meant she was caught on camera without makeup.
"If you're caught without makeup, you're caught without makeup. Tough boobies," she said.
MORE: Disney releases first teaser trailer for new 'West Side Story' film
Watch the new trailer for 'West Side Story'
The 89-year-old actress is featured in Steven Spielberg's take on "West Side Story, "which hits theaters in December. Moreno won an Oscar for her portrayal of Anita in the 1961 version of the musical romantic drama. This time around, she's playing Valentina, who owns the corner store in which Tony works.
When asked if she anticipates winning another supporting actress Oscar for the same movie title, Moreno said she can't predict the future but gave the film high praise.
"I just saw it and it is thrilling. Oh my god, [Spielberg's] such a movie maker," she said.
Red Carpet Recap: 2021 Oscars Fashion
The pair then turned the conversation back to Pennacchio, who Moreno said must be exhausted from presenting the On The Red Carpet preshow for hours. She tried to give him a cough drop, but he politely declined.
"Once a mother!" she exclaimed.
The Walt Disney Company is the parent company of 20th Century Studios and this ABC station.