Ariana Grande made a surprise appearance at Barbra Streisand's Chicago concert on Tuesday night, taking to the stage to perform No More Tears (Enough Is Enough) alongside the superstar.
The 26-year-old singer failed to hide her excitement as she performed the track, originally sung by Barbra and late disco legend Donna Summer, to the crowd at the United Center in Chicago, Illinois.
Following the performance, Ariana took to her Instagram Story and called it the "best night of my life".
The star, who is famous for her high ponytail, then joked: "I'm gonna go pass out. You're just gonna find 10 pounds of hair."
The Thank U, Next hitmaker also expressed her excitement on her Twitter page, writing: "hello shaking and crying. thank u @BarbraStreisand. don't have words yet goodbye (sic)."
After finding her words, Ariana tweeted: "cherishing this moment forever @barbrastreisand."
Meanwhile, Barbra shared a snap of herself with Ariana on her own Twitter page, and wrote: "Secret's out. Thank you @ArianaGrande."
