Chris brown just may have popped the BIG question to ride-or-die boo thang Karrueche Tran. Karrueche who just celebrated her 24th birthday was spotted wearing a iced out ring given to her as a surprise gift. Chris Brown has apparently been spotted buying a $6.5 million diamond ring. “Chris has told friends, including mutual friends whom he knew would get word back to Rihanna, that he wants to marry Karrueche Tran in July in Las Vegas," a source told The Fix. Check out the Karrueche pose for the cameras at her birthday party sporting the ring!