Chris Brown has been calling and texting his ex-girlfriend, Karrueche Tran, revealing that he still loves the stunning model and wants to get back together with her, RadarOnline.com is exclusively reporting.Tran dumped the Grammy Award-winning singer after he was spotted canoodling with former flame, Rihanna.“Chris has been in constant communication with Karrueche ever since she dumped him. She ended it with Chris because he was just blatantly flaunting his dalliances with Rihanna, but now he’s telling how sorry he is, and how much he loves her,” a source close to the former couple tells Radar.“She is just too hurt to even go there at this point. Karrueche just wants a break from all of this drama, and she knows that Chris wants whatever he can’t have. Karrueche thinks Chris has a lot of maturing he needs to do, and she can’t trust him.”As RadarOnline.com previously reported, Rihanna and Brown were spotted making out recently in a New York nightclub. The rendezvous took place at hotspot Griffin, and an eyewitness said they were very affectionate.“Tran has been getting hit on by tons of guys and her girlfriends are eager to set her up. Karrueche hasn’t given up on love, she just wants to be with someone that is worthy of being with her,” the source says.