"Headed to the Oscars with my Award winning engineer @titojustmusic," Chyna, who shares a 3-year-old daughter, Dream, with her ex, Rob Kardashian, captioned a video of her and music producer Christopher Trujillo singing in the car.
Trujillo has produced music for Ariana Grande, Fifth Harmony, Cheryl Cole and more. He also produced the soundtrack for the 2012 flick Think Like a Man and served as a recording engineer on the 2010 soundtrack for the movie For Colored Girls.
Prior to the news that Chyna was Trujillo's plus one, fans took to Twitter to express confusion at her red carpet appearance.
Billy Eichner quipped, "Loved her in Marriage Story," in response to Chyna's attendance, referencing the Oscar-nominated movie starring Adam Driver, Scarlett Johansson and Laura Dern, who went home with a Best Supporting Actress statuette for her performance.