The 2014 Billboard Music Awards kicked off tonight in Las Vegas, and our favorite pop stars are posting tweets, photos and videos to make sure we don’t miss a thing!

Take a look below to see what the celebs are wearing (any contenders for best dressed?), who they’re meeting (so many selfies!) and what’s going down on the red carpet.

Lucy Hale looking gorgeous in a color-block dress before hitting the red carpet.

5 Seconds of Summer seem pretty excited to be performing at the BBMAs tonight.

Ryan Tedder of OneRepublic prepared his game face for the red carpet.

Drake Bell is calling on the '50s Greaser look tonight -- and he posed for a selfie with the pretty-in-purple Cher Lloyd.

Calvin Harris brought the real red carpet insight with this behind-the-carpet video he shot.

Estelle shared a sneak peak of her gorgeous classically-styled hair.

Red carpet host Jordin Sparks grabbed a quick selfie with 'Talk Dirty' star Jason Derulo.

Jennifer Lopez posted a red carpet photo of herself in a beautiful red flowing gown with high slits before taking the stage to perform later in the night.

Cher Lloyd also ran into Fall Out Boy's Pete Wentz. He must've made an impression -- she called him 'lovely'!

And of course, man of the hour and host of the 2014 BBMAs, Ludacris, shared this funny video of him getting ready to take the spotlight.

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