Carrie Underwood holds the Milestone Award backstage at the 2014 Billboard Music Awards in Las Vegas.  Photo: Steve Marcus/Reuters
Carrie Underwood holds the Milestone Award backstage at the 2014 Billboard Music Awards in Las Vegas. Photo: Steve Marcus/Reuters
Singer Robin Thicke performs "Get Her Back" at the 2014 Billboard Music Awards in Las Vegas.  Photo: Steve Marcus/Reuters
Singer Robin Thicke performs "Get Her Back" at the 2014 Billboard Music Awards in Las Vegas. Photo: Steve Marcus/Reuters
Jason Derulo (R) and 2 Chainz perform "Talk Dirty" at the 2014 Billboard Music Awards in Las Vegas.  Photo: Steve Marcus/Reuters
Jason Derulo (R) and 2 Chainz perform "Talk Dirty" at the 2014 Billboard Music Awards in Las Vegas. Photo: Steve Marcus/Reuters
Jason Derulo (bottom, C) performs "Talk Dirty" at the 2014 Billboard Music Awards in Las Vegas. Photo: Steve Marcus/Reuters
Jason Derulo (bottom, C) performs "Talk Dirty" at the 2014 Billboard Music Awards in Las Vegas. Photo: Steve Marcus/Reuters
Jason Derulo performs "Talk Dirty" at the 2014 Billboard Music Awards in Las Vegas.  Photo: Steve Marcus/Reuters
Jason Derulo performs "Talk Dirty" at the 2014 Billboard Music Awards in Las Vegas. Photo: Steve Marcus/Reuters
Robin Thicke accepts the award for top R&B song for "Blurred Lines" at the Billboard Music Awards at the MGM Grand Garden Arena. Photo: Chris Pizzello/AP
Robin Thicke accepts the award for top R&B song for "Blurred Lines" at the Billboard Music Awards at the MGM Grand Garden Arena. Photo: Chris Pizzello/AP
Singer Miranda Lambert performs "Somethin' Bad" onstage at the 2014 Billboard Music Awards in Las Vegas, Nevada.  Photo: Steve Marcus/Reuters
Singer Miranda Lambert performs "Somethin' Bad" onstage at the 2014 Billboard Music Awards in Las Vegas, Nevada. Photo: Steve Marcus/Reuters
Rapper Whiz Khalifah presents top R&B song onstage at the 2014 Billboard Music Awards in Las Vegas. Photo: Steve Marcus/Reuters
Rapper Whiz Khalifah presents top R&B song onstage at the 2014 Billboard Music Awards in Las Vegas. Photo: Steve Marcus/Reuters
Katy Perry is shown on a large screen as she accepts her award for Top Female Artist via satellite at the 2014 Billboard Music Awards in Las Vegas.  Photo: Steve Marcus/Reuters
Katy Perry is shown on a large screen as she accepts her award for Top Female Artist via satellite at the 2014 Billboard Music Awards in Las Vegas. Photo: Steve Marcus/Reuters
Singer Lorde accepts the top new artist award onstage at the 2014 Billboard Music Awards in Las Vegas.  Photo: Steve Marcus/Reuters
Singer Lorde accepts the top new artist award onstage at the 2014 Billboard Music Awards in Las Vegas. Photo: Steve Marcus/Reuters
Ricky Martin performs "Vida" at the 2014 Billboard Music Awards in Las Vegas, Nevada.  Photo: Steve Marcus/Reuters
Ricky Martin performs "Vida" at the 2014 Billboard Music Awards in Las Vegas, Nevada. Photo: Steve Marcus/Reuters
Shakira performs at the Billboard Music Awards at the MGM Grand Garden Arena. Photo: Chris Pizzello/AP
Shakira performs at the Billboard Music Awards at the MGM Grand Garden Arena. Photo: Chris Pizzello/AP
Shakira performs "Empire" onstage at the 2014 Billboard Music Awards in Las Vegas, Nevada. Photo: Steve Marcus/Reuters
Shakira performs "Empire" onstage at the 2014 Billboard Music Awards in Las Vegas, Nevada. Photo: Steve Marcus/Reuters
Jennifer Lopez enters the stage as she performs at the 2014 Billboard Music Awards in Las Vegas. Photo: Steve Marcus/Reuters
Jennifer Lopez enters the stage as she performs at the 2014 Billboard Music Awards in Las Vegas. Photo: Steve Marcus/Reuters
Pitbull performs at the start of the 2014 Billboard Music Awards in Las Vegas, Nevada. Photo: Steve Marcus/Reuters
Pitbull performs at the start of the 2014 Billboard Music Awards in Las Vegas, Nevada. Photo: Steve Marcus/Reuters
Rapper Nicki Minaj arrives at the 2014 Billboard Music Awards in Las Vegas, Nevada. Photo: L.E. Baskow/Reuters
Rapper Nicki Minaj arrives at the 2014 Billboard Music Awards in Las Vegas, Nevada. Photo: L.E. Baskow/Reuters
Singer Kelly Rowland arrives at the 2014 Billboard Music Awards in Las Vegas, Nevada. Photo: L.E. Baskow/Reuters
Singer Kelly Rowland arrives at the 2014 Billboard Music Awards in Las Vegas, Nevada. Photo: L.E. Baskow/Reuters
Gerard Pique, left, and Shakira arrive at the Billboard Music Awards at the MGM Grand Garden Arena. Photo: John Shearer/AP
Gerard Pique, left, and Shakira arrive at the Billboard Music Awards at the MGM Grand Garden Arena. Photo: John Shearer/AP
Model Kendall Jenner arrives at the 2014 Billboard Music Awards in Las Vegas. Photo: L.E. Baskow/Reuters
Model Kendall Jenner arrives at the 2014 Billboard Music Awards in Las Vegas. Photo: L.E. Baskow/Reuters
Rapper Wiz Khalifa and his wife, model Amber Rose, arrive at the 2014 Billboard Music Awards in Las Vegas. Photo: L.E. Baskow/Reuters
Rapper Wiz Khalifa and his wife, model Amber Rose, arrive at the 2014 Billboard Music Awards in Las Vegas. Photo: L.E. Baskow/Reuters
Recording artists Ben McKee, Dan Reynolds, Wayne Sermon and Daniel Platzman (L-R) of Imagine Dragons arrive at the 2014 Billboard Music Awards in Las Vegas. Photo: L.E. Baskow/Reuters
Recording artists Ben McKee, Dan Reynolds, Wayne Sermon and Daniel Platzman (L-R) of Imagine Dragons arrive at the 2014 Billboard Music Awards in Las Vegas. Photo: L.E. Baskow/Reuters
Country singers Carrie Underwood (L) and Miranda Lambert arrive at the 2014 Billboard Music Awards in Las Vegas, Nevada May 18, 2014.   REUTERS/L.E. Baskow (UNITED STATES  - Tags: ENTERTAINMENT)   (BILLBOARDAWARDS-ARRIVALS)
Country singers Carrie Underwood (L) and Miranda Lambert arrive at the 2014 Billboard Music Awards in Las Vegas, Nevada May 18, 2014. REUTERS/L.E. Baskow (UNITED STATES - Tags: ENTERTAINMENT) (BILLBOARDAWARDS-ARRIVALS)
Musician Ricky Martin arrives at the 2014 Billboard Music Awards in Las Vegas, Nevada. Photo: L.E. Baskow/Reuters
Musician Ricky Martin arrives at the 2014 Billboard Music Awards in Las Vegas, Nevada. Photo: L.E. Baskow/Reuters
Country singers Carrie Underwood (L) and Miranda Lambert arrive at the 2014 Billboard Music Awards in Las Vegas. Photo: L.E. Baskow/Reuters
Country singers Carrie Underwood (L) and Miranda Lambert arrive at the 2014 Billboard Music Awards in Las Vegas. Photo: L.E. Baskow/Reuters
Singer John Legend and model Chrissy Teigen arrive at the 2014 Billboard Music Awards in Las Vegas, Nevada. Photo: L.E. Baskow/Retuers
Singer John Legend and model Chrissy Teigen arrive at the 2014 Billboard Music Awards in Las Vegas, Nevada. Photo: L.E. Baskow/Retuers
Jordin Sparks arrives at the Billboard Music Awards at the MGM Grand Garden Arena. Photo: John Shearer/AP
Jordin Sparks arrives at the Billboard Music Awards at the MGM Grand Garden Arena. Photo: John Shearer/AP

Check out all the glitz, glamour and the downright freaky at the 2014 Billboard Music Awards.