Which innovative hitmaker is going to take home the second annual Milestone Award? That’s up to you, the fans. The winner of the Milestone Award, presented by Chevrolet, will be announced during the 2014 Billboard Music Awards. The six finalists are artists whose amazing achievements on the Billboard charts in the past year have defied convention and exemplified originality — through inspired releases, fan engagement, candid songwriting and more. Vote for your favorite below and check back in mid-April to see which three make it to the final round. Be sure to keep voting right up until the winner is revealed May 18 at 8|7c live on ABC.

Imagine Dragons

"Radioactive" set the record for the longest run ever on the Hot 100. The band, which thrived by converting the uninitiated into fans via kinetic shows, has also scored 10 hits on the Hot Rock Songs chart.

Vote for Imagine Dragons

OneRepublic

OneRepublic, whose frontman Ryan Tedder has written hits for Beyonce & more, got its highest-charting Billboard 200 album with "Native," which saw "Counting Stars" become the rockers' first Radio Songs No. 1.

Vote for OneRepublic

Carrie Underwood

The 'Idol' scored 18 top 10 hits on Billboard's Country Airplay chart, the best starting run ever by a woman. She has also innovated on the small screen, recently starring in "The Sound of Music Live!"

Vote for Carrie Underwood

Ellie Goulding

After "Lights" hit No. 2 on the Hot 100, Goulding turned club queen with 2013’s No. 1 dance hits "I Need Your Love" & "Burn." She galvanized her millions of fans with a "Burn" video crafted from their Vines.

Vote for Ellie Goulding

John Legend

After nearly a decade on the charts, the poignant performer began 2014 with his biggest hit ever: "All of Me." The song, inspired by his wife, hit the top three on both the Hot 100 and Hot R&B/Hip-Hop Songs.

Vote for John Legend

Luke Bryan

The electric entertainer's “Crash My Party” had the biggest sales week for a country album by a male since 2004. It debuted at No. 1 on the Billboard 200 with 528,000 copies, according to Nielsen SoundScan.

Vote for Luke Bryan

Billboard Milestone Awards 2014 - Vote