Khloe Kardashian's in loooooove ... and professed it to Tristan Thompson in an emotional birthday note to the NBA star.
"To the happiest of birthdays my love! To the first of many more together! May God continue to bless you in all of your days! And may we forever look at one another like this."
The 26-year-old has been dating Khloe for roughly 7 months ... 6 months longer than Khloe dated Lamar Odom before they got engaged.