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image courtesy of Claudette Barius/HBO

We were kinda bummed when HBO shot down reports of Rob Pattinson appearing on the season finale of Entourage, but we're going to get to see Christina Aguilera and Eminem making cameos this Sunday, so it's all good!

Christina will play herself in the final episode of season seven, and she'll be giving a private show for Ari Gold.

Show creator Doug Ellin said, "I thought [Christina] was the perfect star to deliver a private performance for Ari Gold. The song and her persona made for an unforgettable moment." Xtina told Us Mag, "I am a fan of the show, so when I was asked to appear on the finale I was so excited. I loved working with Jeremy. He is hysterical. Who doesn't love Ari Gold?"