East Rutherford, New Jersey - bowed down to "queen B" as she attended 's latest sold-out stop on her Cowboy Carter tour.
Selena took to Instagram on Sunday to share that she was in the house for the 43-year-old singer's on Sunday.
"To the queen B we praise," she under a selfie of herself rocking a Cowboy Carter-inspired hat.
Also featured prominently was the 32-year-old star's stunning diamond from her fiancé, music producer Benny Blanco!
In a later , Selena revealed that attending the show didn't mean she missed out on the action of Sunday's NBA playoff showdown between the New York Knicks and Indiana Pacers.
"Still got my eye on the game," the Emilia Pérez star captioned a photo from the show, which featured a phone displaying the game as she watched the performance.
Though it's hard to imagine anything could truly compare to Bey's show, the Knicks did carry out to earn their first win in the Eastern Conference Finals.
Selena's appearance at the Cowboy Carter tour comes after she attended two performances on Beyoncé's Renaissance tour in and .