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Demi Lovato nearly gave fans a heart attack when she debuted her new music video on our site this week.

And the singer's edgy single wasn't the only clip our readers couldn't stop watching.

Check out Ryan Lochte showing off his hot bod, Kim, Khloé and Kourtney Kardashian dishing on their new Khroma beauty line, and more in this week's most watched videos!

Take a peek at Kourtney, Kim and Khloé's favorite products from their new Khroma Beauty line!

Check out what happened when Kourtney discovered that Kim hired a private investigator to spy on her boyfriend Scott Disick

Trouble in paradise? Take a look at whom Scott blames when Kourtney finds makeup on his pillow that isn't hers. 

Ryan Lochte shows off his bod, golf game and moves in the pool in the promo for his What Would Ryan Lochte Do? show, which premieres on E! April 21.