As if the Grammy Awards didn't have enough celebs already lined up, they've gone ahead and added another constellation's worth of stars.
A special performance with Taylor Swift and Miley Cyrus headlines the latest announcement of performers for the Feb. 8 Grammys. Kanye West and Estelle will also perform together, while nominees Adele, Chris Brown and Sugarland are also scheduled to sing onstage, the Recording Academy said Tuesday.