Empire co-stars Terrence Howard and Taraji P. Henson will be seen competing on the season finale of Lip Sync Battle.

The two-part program is to air Aug. 20 on Spike TV.
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Other artists scheduled to perform on the show this summer are Alison Brie, Will Arnett, Justin Bieber, Deion Sanders, Andy Cohen, Willie Geist, Victoria Justice and Gregg Sulkin.

The show -- which returns July 9 from its mid-season hiatus -- will also include appearances by Abbi Jacobson, Ilana Glazer, Iggy Azalea and Nick Young.