Jelena lives on! So much so that Justin Bieber reportedly sang his heart out to Selena Gomez on her 23rd birthday earlier this week. Wondering what's going on between these two now? You aren't the only one!According to Hollywoodlife.com, Justin called up his infamous ex on her big day via FaceTime. Their moment also involved a rose, and some serious singing. Cute?Sel threw down her big 2-3 in London with her good friends, but the distance didn't stop Justin from wishing her a happy b-day."