Austin MahoneCody SimpsonKeegan Allen
It's 17-year-old Australian pop singer Cody Simpson!
Keke PalmerWillow SmithZendaya
It's 18-year-old actress, singer and dancer Zendaya, known for her Disney Channel hit show Shake It Up!
Hailee SteinfeldSarah HylandVictoria Justice
It's 17-year-old actress Hailee Steinfeld, best known for her breakout role in the film True Grit!
One Direction5 Seconds of SummerRixton
5 Seconds of Summer!
It's the Australian pop-rock band 5 Seconds of Summer!
Bella ThorneSarah HylandKiernan Shipka
It's 16-year-old actress, singer, dancer and model Bella Thorne! The quadruple threat is known for her breakout role in Disney Channel's Shake It Up and is currently in the new film Alexander, and the Terrible, Horrible, No Good, Very Bad Day.
Ariel WinterKylie JennerBecky G
It's 17-year-old rapper and singer Becky G, who got her start on YouTube!
Ian HardingNat WolffTyler Posey
It's 19-year-old actor and singer, Nat Wolff! You might recognize him from his most recent role in the hit film The Fault in Our Stars.
Little MixFifth HarmonyG.R.L
It's pop group Fifth Harmony, who got their start on X-Factor USA in 2012.
Bethany MotaVictoria JusticeCher Lloyd
It's 18-year-old YouTuber Bethany Mota, who shot to fame with her fashion and beauty haul videos.
Austin MahoneRyan BeattyShawn Mendes
It's 18-year-old pop singer Austin Mahone, who got discovered on YouTube!
Olivia HoltGemma StylesSasha Pieterse
It's 18-year-old actress and Pretty Little Liars star Sasha Pieterse!
AnnaSophia RobbChloë Grace MoretzElle Fanning
Chloe Grace Moretz!
It's 17-year-old actress Chloë Grace Moretz, known for her starring roles in Carrie and If I Stay.
Ross LynchHunter HayesNiall Horan
It's 18-year-old actor and singer Ross Lynch! You might recognize him from his pop-rock band R5, or his Disney Channel series Austin & Ally.