Wiz Khalifa and Amber Rose are engaged; see the ring

Wiz Khalifa and Amber Rose arrive at the 2011 MTV Video Music Awards at Nokia Theatre L.A. LIVE on Aug. 28, 2011, in Los Angeles, Calif.
(CBS News) New celebrity engagement alert: Grammy-nominated rapper Wiz Khalifa and model Amber Rose plan to tie the knot.

Both stars took to Twitter Thursday to announce the news, engagement ring photo included.

Pictures: Celebrity weddings and engagements

Khalifa later tweeted, "I am so happy."

Rose added, "We Love all u Rosebuds, Rosestuds & Taylors so much! Thank u for all ur Love an Support 4 ya Muva & Fava's Engagement!!"

Rose and Khalifa, 24, started dating in early 2011. Rose, 28, previously dated Kanye West.

Amber Rose's engagement ring. Rapper Wiz Khalifa popped the question. The couple announced the news on March 1, 2012.

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