Ariana Grande performed the duet of her dreams with one of the most influential performers in music history on Tuesday night.
The Grammy Award-winning singer, 26, made a surprise appearance at Barbra Streisand's concert in Chicago to sing "No More Tears (Enough Is Enough)" with the icon.
Streisand originally recorded the 1979 track with the late legendary artist, Donna Summer.
Grande shared some videos of the performance on her Instagram story, captioning one clip, "the best night of my life!" She also shared a snap with Streisand from the night, writing, "cherishing this moment forever," in the caption.
(MORE: Ariana Grande calls working with her idol Jim Carrey the 'most special experience' of her life)On Streisand's post featuring the same photo, Grande commented, "i’m sobbing 🖤 love you so much. i cant. get over this. it’s just.... the most special and cherished experience ever. thank you."
Check out some of the clips from the performance that were shared on social following the exciting duet:
Grande also shared her disbelief and excitement at the chance to collaborate with Streisand in a tweet.
"Hello shaking and crying. thank u @BarbraStreisand. don’t have words yet goodbye," she wrote.