Taylor Swift gives rare shout-out to boyfriend Joe Alwyn on social media

Taylor Swift is giving her boyfriend some Instagram love!

The "Look What You Made Me Do" singer took to the social media platform on Thursday to give a shout-out to Joe Alwyn as his new movie, "The Favourite," hits theaters in Los Angeles and New York.

The period piece also stars Swift's pal, Emma Stone, as well as Nicholas Hoult, Rachel Weisz and Olivia Colman.

"The Favourite is absolutely phenomenal, and it opens in NY and LA tomorrow -- Swipe to see cities and dates! @thefavouritemovie @joe.alwyn @nicholashoult," Swift captioned her post, which included a clip of some of Alwyn's most memorable scenes in the movie.

Emma Stone on Her 'Racy' Scene in 'The Favourite' With Taylor Swift's Boyfriend, Joe Alwyn (Exclusive)

Swift and Alwyn have kept their relationship private since they started dating last year. The singer has been pretty tight-lipped about her new romance, and rarely makes public appearances with Alwyn.

Taylor Swift Supports Boyfriend Joe Alwyn at New York Movie Premiere

Swift did, however, step out to support Alwyn at the New York Film Festival premiere of The Favouritein September. She skipped the red carpet and exited the theater through a back door.

Taylor Swift's Boyfriend Joe Alwyn Breaks His Silence About Their Relationship

Stone, meanwhile, had no problem opening up about Alwyn while sitting down with ET at the film's junket earlier this month, calling her scenes with the actor "a little racy."