The 2013 Billboard Music Awards will debut a new honor: the Milestone Award, presented by Chevrolet, which celebrates the ingenuity of this year’s hitmakers.

You have to vote every category in order for the vote to count

• He’s nominated for Best Pop, Best Male, Best World Stage and Biggest Fans. Vote here.

Justin has been nominated for: Best Pop Video & Best Male Video. You can vote here and here.

download THIS for your votes to count! Vote for Selena here, and Justin here and here! 

Justin has been nominated for: Best Pop Video & Best Male Video. You can vote here and here.

DO SOMETHING Couple

Justin Bieber & Selena Gomez 

At 18, Selena Gomez became UNICEF’s youngest ambassador and she recently became an ambassador for the Ryan Seacrest Foundation which serves to enhance the quality of life for seriously ill and injured children through programs that utilize multimedia and interactive platforms. Recently, Justin Bieber made a Christmas pledge of almost $10,000 to help sick children at Aukland’s Starship Children’s Hospital. To vote, just click here.

DO SOMETHING Facebook

Selena Gomez & UNICEF 

Selena harnessed the power of her Facebook fans to fight hunger and malnutrition in the Sahel region of West and Central Africa, urging her fans to donate money to provide therapeutic food and medicine for impoverished children in the region. To vote for her, click here!

DO SOMETHING Twitter

For his 18th birthday, Justin asked his 17-million twitter followers for donations to My Charity Water, ultimately raising $18,000 to help build clean water projects in developing countries. To vote for him, click here.

Click here to vote!