JUSTIN BIEBER

Selena Gomez and Niall Horan, who is believed to be a close friend of Gomez's former boyfriend Justin Bieber, were first rumored to be dating in December.

Here's a roundup of some of this year's hottest songs and their music videos to play on New Year's Eve.

After her breakup from Scott, Kris Jenner thinks Kourtney should be moving on and finding 'The One."

Selena Gomez reportedly sent angry text messages to Bieber and confronted him over dating rumors with Kourtney Kardashian.

Selena Gomez reportedly thought the rumored relationship between Justin Bieber and Kourtney Kardashian was “incestuous.”

Kris Jenner has reportedly invited Kourtney's ex to her annual Kardashian-Jenner Christmas Eve party.

Selena Gomez is reportedly planning to spend Christmas with her rumored boyfriend Niall Horan.

The reality star is back to partying while his ex-girlfriend hangs out with pop star Justin Bieber.

Is hot mom Kourtney Kardashian beating out Kris Jenner as the best cougar in the family with her latest boytoy?

Kourtney Kardashian and Justin Bieber are said to have started dating after spending time at a restaurant in West Hollywood in October.

Justin Bieber posted a photo on Instagram of a mysterious girl and asked fans to tell him who she was.

Bieber drew attention to Cindy Kimberly after posting a photo of her to his Instagram account with the caption, “Omg who is this!!”

Thanks to a scheduling quirk, three of the most buzzed-about albums of 2015 weren't eligible for Grammy Awards.

Harry Styles joins Stephen Colbert, Barack Obama and Ellen DeGeneres in the club of people who have authored a year's most popular tweet.

Reports so far had suggested that Selena Gomez had resumed relationship with former boyfriend Justin Bieber.

The rapper commented on a photo that Justin Bieber posted of him and Selena Gomez from the time that they were dating.

The app offered a Live Story called "California Shooting" and showed photos and videos from San Bernardino.

The picture, which shows Bieber and Gomez on a red ATV, was posted Tuesday on his Instagram account and was liked by over 1.3 million users.

After 33 years, TV's "Christmas in Washington" is no more, because just about no one watched it on TNT.

Kylie Jenner and Tyga reportedly spent their evening with friends in Hollywood

The singer's "25" sold 3.38 million copies in its first week, 40 percent more than ’N Sync's "No Strings Attached" moved 15 years ago.