Kanye West and Kim Kardashian declare love for each other as Kim celebrates 40th birthday

Kanye West expressed his love for Kim Kardashian to celebrate her as she turns 40 and Kim reciprocated in kind.

Kanye shared a photo from the day he proposed to her in a stadium and wrote: "Been doing empty stadiums. Happy 40th birthday!!! I love you so much."

Kim, whose birthday it is today, October 21, quote-tweeted Kanye's tweet and added: "I love you so much."