Because blue makes Connor happy. That's why. Even when he is not surrounded by stuff that is blue, we still spread that emoji around for him. Blue is loyality, love and kindness and that is what makes Connor happy.
@Aklima Begum
Some days you just gotta step back and just realize how much of a total badass sweetheart Connor Ross can be. Like damn son, he rocks!!!

Thanks I totally get it Blue Hearts are soooo Beautiful and Is good represnstation of Connor Ross so this is for him When he make more Movies soon

the blue heart is a sign of love and beauty. it represents connor's fav color being blue. and we use that to showcase how great can our conman be when he does stuff so empowering and uplifting for others. that is the importance of why we use the blue heart emoji for connor ross.
He is an Artist and Actor… Love saved him since he was born. Connor Ross!