Singer Justin Bieber (L) And Model Lara Stone During The 'Fashion Rocks 2014' Concert
Justin Bieber has showed off his ribbed abs and a great physique on the cover page of a famous health magazine for men. The 21-year-old has also blasted critics who say that his pictures are photoshopped. Singer Justin Bieber (L) takes his shirt off as he and model Lara Stone introduce an act during the "Fashion Rocks 2014" concert in the Brooklyn borough of New York September 9, 2014. Reuters/Carlo Allegri

Justin Bieber turned 21-years-old on March 1 and celebrated his birthday in style with his girl pal Yovanna Ventura and other close friends. The “Baby” singer threw a bash on a private island with model Hailey Baldwin, John, Sammy Shahidi, manager Scooter Braun and director and photographer Alfredo Flores, among others.

According to TMZ, the ex-boyfriend of singer Selena Gomez rented a private Caribbean island near Grenada for the birthday celebrations. “Grateful to be alive!!! ” Bieber tweeted on Sunday, just before his birthday celebrations. The singer has now reached the legal age for drinking in the U.S.

Justin also hired a private jet to fly his friends to the island. Alfredo posted the picture of the private jet on Feb. 28 along with the following message, “...and it begins, the big 21.” His other friends have also posted pictures of the party on their Instagram profiles. Bieber's friend Yovanna posted a picture on Instagram that shows her with the singer. Bieber poses shirtless holding Yovanna by her leg. Check out the picture here.

Other pals who posted pictures and messages for Bieber's birthday are Matthew Espinosa, Ryan Butler and Soundz. Bieber's manager Braun posted a picture of very young Bieber along with his today's picture with the following message. “Where did the time go? Happy birthday my guy. Big 21. I don't remember mine. Haha. Have fun. Proud of u @justinbieber.”

Bieber's father, Jeremy Bieber too was present at his son's 21st birthday. The singer posted a picture of his dad, pointing out to his “double chin.” Various celebrities and “Beliebers” also wished birthday to Bieber on social media. “All That Bass” singer Meghan Trainor wished “Happy Birthday” to Bieber on her Twitter account.

The birthday boy was given a vintage car by his friends as his birthday present. According to TMZ, Bieber's friends presented him with a '65 Lincoln Continental. The singer was spotted enjoying the ride in the U.S. $20K car on Sunset Strip on Thursday night, said the website. Bieber's car is similar to the one used in the television series "Entourage," added the website.

For any questions/comments on the article, you may contact the writer at: n.tewari@ibtimes.com.au