UPDATE: Demi Lovato is the winner of this round, and has moved on to the finals. You can vote for her in the final round here!

When thinking of the perfect pop stars to choose for PopCrush Prom Queen of 2014, Demi Lovato and Lucy Hale were at the top of our lists. And you agreed! Reigning champ Demi took a huge lead over ‘Problem’ singer Ariana Grande, while Lucy Hale won out over her blonde adversary Perrie Edwards of Little Mix. Semifinals are here and it’s time to decide — will Demi get one step closer to taking the crown for a second year, or will Lucy get her time to shine?

Demi Lovato’s Lovatics are a dedicated bunch, and Demi pays them back in kind, if her goodie-packed #DEMIVERSARY is anything to go by. Just like a star needs her fans, a Prom Queen needs her loyal voters, and we’re confident Demi’s gratitude and kindness would earn her plenty of those! In a brave and admirable move, the ‘Neon Lights’ singer has spoken about her difficult past and her journey to a positive mindset and lifestyle. Her positivity would make her a great role model as Prom Queen, don’t you think?

Lucy Hale has captivated us from the TV screen to the music world, and we could definitely see that charm making its way into her role as Prom Queen. The adorable actress-turned-singer is as cute as she is talented, and would look great decked out in a glittery crown. On top of that, the ‘Pretty Little Liars’ star is a total sweetheart. Her heart of gold would make her an awesome Prom Queen!

Which celeb should win the title of PopCrush Prom Queen? You decide! Vote for Demi Lovato or Lucy Hale up to once per hour until the semifinals end on Tuesday, May 27 at 12PM ET. The winner will move on to face her last competitor in the final round of PopCrush Prom Queen of 2014!