Justin Bieber shows off his piano skills.
A lot has changed since Bieber's "Baby" song was released.
Kristen Stewart gets a badass new 'do.
The 19-year-old model says you have to "be very strong" to date someone in the industry.
Both singers recovered gracefully from what looked like painful stumbles.
The actors were joined by 'Batman' star Gary Oldman.
You may know Posner from his 2010 hit 'Cooler Than Me,' but it's a new song that has thrust him back into the spotlight.
The 22-year-old singer showed off his new hair at the iHeartRadio Music Awards Sunday night.
An eyewitness tells ET the on-again, off-again couple had an awkward run-in backstage.
An eyewitness tells ET the on-again, off-again couple had an awkward run-in backstage
Sorry, Jelena fans, but it doesn't look like a rekindled romance is the real deal.
The on-again, off-again couple sparked even more romance rumors on Sunday.
Looks like Taylor Swift and Justin Bieber may have some 'Bad Blood.'
Perhaps we'll find out when Biebs performs at the iHeartRadio Awards on Sunday night?
