Lady Gaga fawned over her "buddy" Adam Driver with an Instagram tribute on his 38th birthday.
On November 19, Gaga uploaded a behind-the-scenes photo of them on the set of "House of Gucci."
The "Chromatica" singer said that she was proud to know Driver, who she learned much from.
The actress said fans adore her co-star because he is the best and opined they were similar.
The "House of Gucci" leads were praised on "The Graham Norton Show" for their on-screen chemistry.
Norton credited the stars for having one of the best sex scenes he has seen.
Fans noted Driver was more comfortable around Gaga, and their chemistry made "90% of the movie."
Although famous for his role in the "Star Wars" trilogy, Driver starred in three 2021 movies.
The 38-year-old was in "Annette," "The Last Duel," and "House of Gucci" out on November 24.