Famous rapper and reality star The Game and his on-again-off-again fiancé Tiffney Cambridge have certainly had their differences in the past, but that didn't stop him from sending a heartfelt message to her for her birthday.

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The How We Do rapper shared his love for the mother of his children via Instagram July 27.

His thoughtful caption read in part, "Happy birthday to the beautiful @lovetiffney...The best mother, care taker & provider for our children I could ask for. In relationships, there are ups & downs...negatives & positives but no matter what the years have brought & left...On this day I want you to know that you are both acknowledged and very appreciated."

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The Game and Cambridge made their relationship very public when they signed on to a VH1 reality series, Marrying The Game. While the show was meant to document their journey as they planned their wedding, the two ended up calling it quits.

The Game added that despite their fallouts, they have always come back to what was really important.

"We got up & over it & have always managed to get back to a peaceful existence. & again, for blessing me with [our children] I am forever in debt & will make sure you guys are always taken care of...#1 because it's in me to do so & #2 is because you are very deserving of it....Thanks for helping me grow as a person & being there to say the least. Enjoy your birthday.....& don't let anyone steal your sunshine. Love"

On the season finale of Marrying The Game that aired earlier this year, Cambridge and The Game both moved on to other relationships. It's not clear if their series will return to the network.

Tags: Marrying The Game Reality TV vh1