The former couple, who split up in February 2009 after he physically assaulted her, shared a hug when he won the Best Male Video prize at the MTV Video Music Awards, reported Femalefirst.
"They are on a whole new level right now. Rihanna's proud of Chris for winning awards and giving back to the community and being a role model," a source said.
This comes after Brown, 23, was forced to deny a new Tattoo on his neck depicting a battered face was of Rihanna.
The inking appears to show a woman with the same injuries Rihanna sported after the altercation including a black eye and bruised lip.