Charlie Puth Is 'Moving On' From Resurfaced Bare-Butt Pic

But it's not the first time he's displayed his body on social media: "I just want to show off sometimes," he told Billboard recently.

First there was Justin Bieber, then John Legend, and now Charlie Puth has joined the growing list of male musicians who have revealed their butts on social media.

Madonna Turns 57: The Pop Icon's 5 Most Shocking Moments of 2015

Over the course of her 36-year career, Madonna has refused to let age define her.


In a February interview with Rolling Stone, she spoke out against the issue of ageism for all women over the age of 50, saying, "Women, generally, when they reach a certain age, have accepted that they're not allowed to behave a certain way ... But I don't follow the rules. I never did, and I'm not going to start."

As the pop icon turns one year older, we look at five times music's leading rule breaker made a statement this year.

Watch Taylor Swift Bring Out Little Mix, Joan Baez and Julia Roberts at 1989 Concert

Taylor Swift celebrated girl power at her back-to-back concerts at Levi's Stadium in Santa Clara, Calif., over the weekend.

On Friday night (Aug. 14), Swift invited Fifth Harmony. on stage to perform their hit song "Worth It," and the following evening she brought out Little Mix to play their new single "Black Magic."
The massive stadium crowd loved it. "LITTLE MIX!! Love these girls!! They smashed it tonight in front of 50,000 screaming fans. Amazing," Swift tweeted after the show.

iHeartRadio Will Offer Fans Trip to Miami for iHeartRadio Fiesta Latina

Jennifer Lopez, Don Omar, Marco Antonio Solís, Prince Royce, Wisin, Camila, Becky G, Fonseca, Voz de Mando and Pitbull will perform at the iHeartRadio Fesita Latina Special, taking place in Miami Nov. 7.

Although tickets to the show go on sale Aug. 22 at 10 a.m. on October 5, iHeartMedia will launch a four-week nationwide promotion to give fans the chance to win a trip to Miami. The promotion will run in all iHeartRadio Latin stations plus other stations in key markets.

Christina Aguilera Shares Topless Photo, Promises 'It's All Real'

We've hardly been lacking for topless celebrity pics this summer. From Justin Bieber to Kim Kardashian to Rihanna to Miley Cyrus (obviously), plenty of people have been more than eager to show off their skin.

Now, add Christina Aguilera to that list. The powerhouse vocalist shared a topless Instagram of herself taking a nearly-naked selfie in the mirror. The position of her arms covers up enough so that she doesn't violate Instagram's controversial no-female-nipple policy, but you can still see plenty. And of that plenty, Xtina would like to remind you that it's not fake.

Watch Taylor Swift and Fifth Harmony Perform 'Worth It' at Levi's Stadium

n yet another amazing cover song performance on her 1989 tour, the megastar invited the pop quintet on stage to perform their hit "Worth It" at her Friday night (Aug. 14) concert at Levi's Stadium in Santa Clara, Calif.

"Scream louder for them than you've screamed for me the entire night," Swift told the hyped-up crowd when introducing Fifth Harmony's Camila Cabello, Ally Brooke, Normani Hamilton, Dinah-Jane Hansen and Lauren Jauregui.

eyonce's 'Vogue' Cover Sparks Social 50 Chart Rise

Beyonce bounds 37-13 on the Social 50 chart (dated Aug. 29) with a little help from her daughter Blue. The star posted five photos and a video clip on Instagram during the tracking week ending Aug. 16 from her recent cover shoot for the coveted September issue of Vogue (traditionally the publication's largest issue of the year). This is Beyonce’s third time on the cover of the fashion bible, also landing the April 2009 and March 2013 covers.

The Social 50 is powered by data tracked by music analytics company Next Big Sound and ranks the most popular artists on Facebook, Twitter, Instagram, YouTube, SoundCloud, Wikipedia, Instagram, Tumblr and Vine. The chart's methodology blends weekly additions of friends/fans/followers along with artist page views and engagement.

Justin Bieber's 'What Do You Mean': Inside The Star-Studded Social Media Campaign

"There’s been a real sentiment of, ‘All right, young man. Let’s kick some ass,’” manager Scooter Braun tells Billboard of the celeb-filled rollout.

Consider the rollout of Justin Bieber’s “What Do You Mean” the anti-surprise release: bucking the current trend of big pop projects issued with little to no forewarning, the 21-year-old has preceded the highly anticipated new single with a month-long social media extravaganza.

Kylie Jenner, half-sister of Kim Kardashian, celebrates birthday in Quebec

Young socialite attracts thousands to Laurentians club
Members of the world's most famous reality TV family are in Quebec today.

Kim Kardashian's half-sister Kylie Jenner is celebrating her 18th birthday at the Beachclub in Pointe-Calumet, Que. on Sunday afternoon.

Justin Bieber cancels Beachclub party near Montreal

Canadian pop singer says breach of contract with event promoter led to cancellation

Justin Bieber's party at Le Beachclub scheduled for today has been cancelled, with both saying 'it was completely out of our control.'
Justin Bieber won't be following in Kylie Jenner's footsteps this weekend after all.