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What's on the phone?! See what terrified Savannah and Willie this morning

by Randee Dawn / / Source: TODAY

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Like it or not, the face-swapping craze is upon us, and we can thank — or blame — Snapchat. The popular social media app now allows people to relocate their faces onto someone else's in any given image (or video), and the results are simultaneously hilarious and set to haunt your dreams.

TODAY

And TODAY anchors couldn't resist giving it a shot! Check out Willie Geist and Savannah Guthrie, who didn't just swap faces but also mugged it up:

Willie Geist and Savannah Guthrie FaceSwap on TODAY
Willie Geist and Savannah Guthrie using FaceSwap on SnapChat.TODAY

Then Natalie Morales and Al Roker got in on the act:

Al Roker and Natalie Morales FaceSwap on TODAY
Al Roker and Natalie Morales take on FaceSwap next.TODAY

The face swap fun continued with Tamron and Willie:

Willie Geist and Tamron Hall FaceSwap on TODAY
Willie Geist and Tamron Hall try the FaceSwap feature of SnapChat on TODAY.TODAY

MORE: Face Swap Live has surreal effect on Kathie Lee and Hoda

They join other celebrities who've been making the whole thing trend, including:

Chrissy Teigen and John Legend

Kourtney Kardashian and Scott Disick

The contrast seems generally most disturbing when it's a gender as well as a face swap, but Julianne and Derek Hough made it work:

And some pairings ... well, it's almost hard to tell exactly what's amiss, like Vanessa Hudgens and Selena Gomez:

And Kendall and Kylie Jenner:

MORE: Hmm, we're not sure how we feel about this holiday card

Meanwhile, there's at least one swap that should get some folks swooning: "Supernatural" stars Jensen Ackles and Jared Padalecki swapped faces to send a message to their fans, and likely sparked a whole new round of fan fiction stories in the process:

Technology in the new millennium: What would we do without it!

Follow Randee Dawn on Twitter.

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