It's Maggie vs. Sasha this week on "Lip Sync Battle." "The Walking Dead" Season 6 finale airs this Sunday on AMC, but first stars Lauren Cohan (Maggie) and Sonequa Martin-Green (Sasha) are taking their slaying skills to Spike TV for a Thursday night showdown.

Yes, that's Lauren and Sonequa in the pic above -- loving the wig and leotard look!

Sonequa either chose or got stuck with the earworm song, "Watch Me (Whip/Nae Nae)," getting backup from some decaying walkers. Maybe that's the secret to surviving the zombie apocalypse -- teach the walkers some dance moves!

Lauren chose "Sister Christian" for one of her two battle songs, so check that out:

We can't wait to see what she's up to in her second song, since it prompted her to put on that amazing outfit from the top photo.

Find out who won the undead battle Thursday, March 31 at 10 p.m. ... or Friday morning via YouTube clips.

Future Season 2 battles include NeNe Leakes vs. Todd Chrisley, Jason Derulo vs. Katharine McPhee, Clark Gregg vs. Hayley Atwell (can't wait for that one!), Joel McHale vs. Jim Rash, and Gina Rodriguez vs. Wilmer Valderrama.

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