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You Won't Believe Who Became Britney Spears For A Perfect Performance Of Toxic On Lip Sync Battle — Watch!

| Filed under: TV NewsMusic MinuteBritney SpearsGIFs

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If you loved Agents of S.H.I.E.L.D. star Clark Gregg's Dubsmash battle with Hayley Atwell from Agent Carter, then you're going to LOVE this week's Lip Sync Battle.

That's right, the two comic book show actors are facing off this week — and they're bringing it!

While we don't know what Hayley has up her sleeve, Gregg is going all out for his performance of Britney Spears' Toxic!

Video: Melissa McCarthy Lip Syncs Colors Of The Wind From Pocahontas As She Battles Jimmy Fallon!

Not only does Clark sport Brit's classic flight attendant outfit and nail the dance moves — but his sheer confidence is off the charts!

Ch-ch-check out the 54-year-old's PERFECT performance of Toxic (below) and let us know who you'll be rooting for this week!

Make sure you catch LSB when it airs Thursdays at 10:00 p.m. EST on Spike TV!

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