JustJared.com confirmed the engagement by Rivera's publicists. The couple first met when Rivera, 26, tweeted to Big Sean, 25, that she was a fan of his and he finally asked her out, "We went out to dinner and the rest was history," said Rivera. The couple made it official back in April during a movie premiere. Big Sean also released their song, "Sorry" just last month.
It's nice that Big Sean knew it was love and didn't waste anytime. Best of luck to these two and congrats!