Beyoncé surprised fans with a new song, "My House," to celebrate the release of her new concert film Renaissance: A Film by Beyoncé on Friday. It's the Grammy-winning singer's first new music since she dropped her album Renaissance last year.

The singers reunited nearly two months after Beyoncé supported Taylor Swift at the Eras Tour concert film premiere in L.A.

Beyoncé may be a global superstar, but that didn't stop her from going into mother mode when she and her 11-year-old daughter, Blue Ivy Carter, showed up to the star-studded London premiere of h er "Renaissance" concert film.

While she wasn’t able to attend the Renaissance: A Film by Beyoncé premiere in L.A. on Saturday because she was on tour, Swift made her way to London for the world premiere of the “Cuff It” singer’s concert film across the pond.

Renaissance: A Film by Beyonc e, the highly anticipated concert film, had its star-studded premiere in the United States just two days ago, unveiling an incredible tracklist fans are certain to enjoy.

Taylor Swift attended the London premiere of Beyoncé's documentary concert film 'Renaissance: A Film by Beyoncé.' Beyoncé attended the Eras tour film premiere.

In the spirit of girl power and friendship – two things that will never go out of style – Taylor Swift was seen supporting Beyoncé at the London premiere of the latter’s “Renaissance: A Film by Beyoncé” concert film on Thursday.

The two queens of music have openly supported each other over the years. Most recently, Beyoncé attended Swift's movie premiere in October.

Taylor Swift received support from Beyoncé last month at her "The Eras Tour" debut and made sure to shimmer at Queen Bey's "Renaissance" premiere in London.

Watch: Taylor Swift walks carpet at Beyonce film premiere. Beyoncé told fans they should "dance, sing, laugh and cry" as they watched the London premiere of her Renaissance tour

Beyoncé made a surprise visit to the L.A. premiere of Taylor Swift's "Eras Tour" film. Now Swift has returned the favor, appearing in London on Thursday night for the debut of Beyoncé's "Renaissance" movie.