"Don't know what I'd do without you, Bird. Love ya lots! @ryanmichelleb #blacklove #11yearslater," Brown captioned the cute pic.
"We need to actually put pen to paper and get it produced because people wouldn't believe it," the actor shared. "The multitude of ups and downs that we went through before we finally got together and figured it out. [We] have been together solid since April 2004, [but] all the stuff that happened before that, it's a good movie."
Check out the video below for more on their amazing (and beautifully complex) love story.