Prank War! Portia De Rossi Serves Up Social Media Payback for Ellen DeGeneres

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Now this is a prank war we can get behind.

It's Ellen vs. Portia in the battle of the embarrassing workout videos – and Portia has the upper hand!

Portia De Rossi took revenge into her own hands after wife Ellen DeGenerestweeted a video of her getting her sweat on to a classic Jane Fonda workout tape.

WATCH: Taylor Swift's 'Shake It Off' Is Eerily Perfect With This '80s Aerobics Workout

Shots fired! Portia delivered on her promise on Monday by posting a sneaky video of Ellen mid-workout on the treadmill, singing along to Mark Ronson and Bruno Mars' "Uptown Funk." Watch below.

Something tells us this battle is far from over. Ellen re-tweeted the embarrassing video and suggested that something a little more risqué might be on the way.

Well, there's something to (maybe) look forward to? What do you think of Ellen and Portia's social media shenanigans? Join the conversation (where else) on Twitter using #ETNow. And if you haven't seen this '80s Aerobics video set to Taylor Swift's 'Shake It Off,' do yourself a favor and watch below.

Follow Sophie on Twitter: @SophieSchillaci