Congrats to Rilan, whose 'Chemical' is the new champ of the Top 10 Video Countdown!

Moving up a spot from last week's ranking is this week's runner-up, Fifth Harmony's 'BO$$.' Round out the top three is Hilary Duff's comeback video, 'Chasing the Sun.'

Demi Lovato's 'Really Don't Care' maintained the No. 4 spot, while Katy Perry's 'Birthday' returned to the countdown in the No. 5 spot. Alex & Sierra's 'Scarecrow' moved up to the No. 6 slot, followed by Charli XCX's 'Boom Clap' at No. 7.

Nicki Minaj's 'Pills N Potions' and Lana Del Rey's 'Ultraviolence' snagged the No. 8 and No. 9 spots, respectively. Completing the Top 10 is Colbie Caillat's 'Try.'

It's time to decide next week's video countdown! Vote for your favorites once per hour until the poll closes at 3PM ET on Aug. 14.

If you are on a computer or tablet, the voting poll is the the right of this article. If you are on a phone, you have to scroll down past the Top 10 videos below to access the voting poll.

  • 10

    Colbie Caillat, 'Try'

  • 9

    Lana Del Rey, 'Ultraviolence'

  • 8

    Nicki Minaj, 'Pills N Potions'

  • 7

    Charli XCX, 'Boom Clap'

  • 6

    Alex & Sierra, 'Scarecrow'

  • 5

    Katy Perry, 'Birthday'

  • 4

    Demi Lovato, 'Really Don't Care' Feat. Cher Lloyd

  • 3

    Hilary Duff, 'Chasing the Sun'

  • 2

    Fifth Harmony, 'BO$$'

  • 1

    Rilan, 'Chemical'