Justin Bieber is a Canadian pop star born in 1994, who has won numerous awards, including the American Music Awards for Best Artist of the Year in 2010 and 2012. He was nominated at the Grammy Awards in the category of Best New Artist and Best Pop Artist in the 2011 and won two, in 2016 with the song Where Are Ü Now, in the category of best dance recording and in 2021 with 10,000 Hours in the category of best country performance by a duo or group.

He is one of the most famous celebrities in the world and on the web, with more than 90 million followers on Facebook, more than 100 million on Twitter and more than 250 million on Instagram. He is the most subscribed solo artist on YouTube, over 70 million and also with the most views, 29 billion. He has been listed on Forbes' Ten Most Powerful Celebrities list three times, in 2011, 2012, and 2013.

With assets of 250 million dollars, he was the richest under 25 in the world and is one of the most successful artists of all time, having sold a total of 150 million copies of albums and singles.

In December 2010, Bieber started dating singer and actress, Selena Gomez. In an interview on The Ellen DeGeneres Show, Bieber said that some of his songs, including Sorry, Mark My Words, What Do You Mean? and Friends, are about his relationship with Gomez. After the initial split in November 2012, they were in an on and off relationship, which lasted until March 2018. From August to December 2016, he was in a relationship with model Sofia Richie. On September 13, 2018, he married American model Hailey Baldwin in New York City. Bieber and Hailey held an official ceremony in Bluffton, SC on September 30, 2019.

Bieber has struggled with mental health issues, particularly depression and anxiety, at various points in his career. On January 8, 2020, Bieber announced on his Instagram that he had been diagnosed with Lyme disease, stating that other people's speculations that he was on drugs were false. He also revealed that he has infectious mononucleosis, which has been affecting his neurological and general health.