Engaged: Wiz Khalifa & Amber Rose

Well, isn't this cute? Buzzcut model Amber Rose is engaged to "Black and Yellow" rapper Wiz Khalifa. "He has made me the Happiest Woman in the World!!!!" Rose, 28, tweeted on Thursday, along with a picture of a stunning diamond engagement ring.

The celebrity couple, who showed up to the 54th Annual Grammy Awards together in February, have been dating for little over one year, according to UsWeekly. The Grammy-nominated Khalifa, 24, also spread the news to his Twitter followers. "She Said Yes!!!" he wrote.

Rose previously dated rapper Kanye West and recently collaborated with Khalifa on her debut single, "Fame."