Lady Gaga is honoring the memory of a "real true friend" with a moving tribute on Instagram.
On Monday, the 37-year-old star shared a photo of her friend and musical partner, Tony Bennett, hugging her in a dressing room. Lady Gaga penned an emotional letter to the iconic singer, who recently passed away at 96. She wrote, "I will miss my friend forever. I will miss singing with him, recording with him, talking with him, being on stage together."