"Dearest Ms. Brenda, Congratulations on your historic #1. Have a merry Christmas. Love, Mariah," Carey's note, amid a seasonal flower arrangement, reads. "Thank you for your sweet note, @mariahcarey!

Flowers are a thoughtful gift at any time ... Botanically speaking, there’s no better way to say Merry Christmas. It's the biggest event of winter, so we may as well lean into it with a festive ...

Lee posted a photo on her Instagram stories of the flowers Carey sent her, along with a card that read: “Dearest Ms. Brenda, congratulations on your historic No. 1. Have a Merry Christmas.