Sabrina Carpenter joins Christina Aguilera for 25th anniversary duet of song released the year of her birth

We might not have "Espresso" if not for Aguilera.

Decades after dropping her song "What a Girl Wants," Christina Aguilera added a shot of "Espresso," when Sabrina Carpenter joined her on a reimagining of it.

Carpenter and Aguilera came together for a live 25th anniversary celebration of her self-titled debut album, at the Spotify Music Studios in Los Angeles as part of the ongoing Spotify Anniversary video series. They sang a (mostly) quieter, less upbeat version of the track, which begins at about 19:25 in the video below.

Before they began singing, Carpenter, who's 25 and was born the day "Genie in a Bottle" was released as a single, told Aguilera that she was "freaking out." The younger singer recalled that she first heard Aguilera's voice when her mom showed her a throwback video Aguilera had posted of herself singing Etta James' "A Sunday Kind of Love," when Aguilera was just 8.

Related: Britney Spears confused by Sabrina Carpenter's VMA performance: 'Love her to death... why didn't she kiss a girl?'

"That was just like the most inspiring thing for me ever," Carpenter said, "to see as, like, a young girl that wanted to sing, but just didn't know I could do it, at that age, at all. And definitely couldn't [sing] like that."

Carpenter explained that Aguilera was "the main reason that I started singing and wanted to become a singer."

Aguilera's first album was a hit, securing her the award for best new artist at the 2000 Grammys and debuting atop the Billboard charts.

Related: Sabrina Carpenter and Jenna Ortega murder each other, kiss in Death Becomes Her-inspired music video

Carpenter paid tribute to other iconic blondes this month during her performance at the MTV Video Music Awards, during a medley of "Espresso," "Please Please Please," and "Taste." Having arrived at the event wearing a vintage gown Madonna wore at the 1991 Oscars, Carpenter was joined onstage by astronauts as part of her reference to Britney Spears' "Oops!... I Did It Again" video and to dances by Marilyn Monroe (in the movie Gentlemen Prefer Blondes) and Madonna in her "Material Girl" video.

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