This is billionaire and founder of Facebook Mark Zuckerberg, who took this picture to celebrate Instagram growing to 500 million users. But take a look at this peculiar detail…
 

Pete Souza is an "Official White House Photographer.” He took first photo of Obama in 2005: “He’s walking around Red Square, he’s on a sidewalk, and nobody knows who he is." And some four years later he became the 44th President of the United States. Here are some of the best photos.
 

Actor Tom Lenk, best known for starring as Andrew Wells in the television series Buffy the Vampire Slayer and its spin-off Angel, posts these funny images on Instagram. He bought some cheap wigs, took some everyday items he could find aound his house and started recreating fashion outfits of his fellow celebrities. I must say, his creations are really spot-on. Check them out.
 

J.K. Simmons will be playing Commissioner Gordon in "Justice League" and is working out hard. He's 61 years old and looks impressive. His personal coach has shared these photos of one of Simmons' working out sessions. 
 

Emilia Clarke who plays Daenerys Targaryen on “Game of Thrones” posts some great and fun pics on her Instagram. I bet all of her fans will enjoy them.
 

British photographer Zenon Texeira took these moving photos of Muhammad Ali at his home in Phoenix, Arizona at the end of March. The former world champion passed away on June 4, aged 74 after a 32-year battle with Parkinson's brought on by his boxing.

English actor Rupert Friend from "Homeland" tied the knot with a former paralympic sprinter Aimee Mullins in a private ceremony. They have been together since 2013 and became engaged in May 2014 but managed to keep it private. Rupert announced the news  on social media when he and his wife were celebrating their one month wedding anniversary.

Muhammad Ali, one of the world's greatest boxers, died on Friday, June 3, at the age of 74. Here are some of his now iconic words of wisdom and trademark boxing-ring rhymes.

Everyone is used to Jon Snow, a legendary character from our favorite “Game of Thrones,” with a beard. When fans saw their hero without beard it was quite a shock. What do you think?

Sometimes actors play an older version of themselves in a movie. A lot of makeup is used to achieve this result let alone special effects if we’re talking about today. So, let’s see just how close they got in predicting the way these actors might look when they’re old.

Photos of the rock legend at his prime.

Michael Jackson lived in this rented Las Vegas mansion in 2007. The King of Pop moved there so that his children could have some privacy. The mansion is now on sale for $9.5 million.

These photos were taken by a renowned photographer Peter Duke in 1983 in Sharon Stone’s apartment. She was 25 and incredibly beautiful.

Even celebrities are fans of other celebrities.