Prince Harry and actress Meghan Markle announced their engagement in 2017. Photograph:( Twitter )
The picture features two animated figures hanging from swings, reaching out to one another.
The post reads: "No matter how educated, talented, rich or cool you believe you are, how you treat people ultimately tells it all."
Socialite Cressida Bonas had split from the prince in 2014 after the two dated each other for two years. A year later in 2015, there were reports of the two coming back together and getting engaged but the couple never got back together.
Cressida Bonas and Prince Harry in 2014. (Others)
Meanwhile, Prince Harry is scheduled to get married to Meghan Markle in May 2018 at Windsor Castle. Prince Harry proposed Meghan a month ago while the pair were cooking a roast chicken in Nottingham Cottage in Kensington Palace.