Hot or HOT may refer to:

Justin Drew Bieber ( /ˈbiːbər/ BEE-bər, born March 1, 1994) is a Canadian Pop/R&B singer-songwriter, musician, and actor. Bieber was discovered in 2008 by Scooter Braun, who came across Bieber's videos on YouTube and later became his manager. Braun arranged for him to meet with Usher in Atlanta, Georgia, and Bieber was soon signed to Raymond Braun Media Group (RBMG), a joint venture between Braun and Usher, and then to a recording contract with Island Records offered by L.A. Reid. Bieber's debut single, "One Time", was released in 2009 and peaked in the top twenty in Canada and charted in the top thirty in several international markets. His debut album, the seven-track EP My World, followed in November 2009, and was soon certified platinum in the United States. He became the first artist to have seven songs from a debut album chart on the Billboard Hot 100.

War Machine (James Rupert Rhodes) is a fictional character, a comic book superhero appearing in comic books set in the Marvel Comics universe. The character of James Rhodes first appeared in Iron Man #118 (January 1979) by David Michelinie, John Byrne and Bob Layton. The War Machine armor, which became Rhodes' signature armored battlesuit, was designed by Len Kaminski and Kevin Hopgood.

Also known by his nickname Rhodey, Rhodes has been a featured character in the Iron Man animated series, Iron Man: Armored Adventures and The Invincible Iron Man animated film. He was first portrayed by actor Terrence Howard in the 2008 film Iron Man. Don Cheadle replaced Howard in the 2010 sequel Iron Man 2 and will reprise the role in Iron Man 3.

In addition to Iron Man and his own title War Machine, Rhodes has been featured in the ensemble titles West Coast Avengers; Force Works by Dan Abnett and Andy Lanning; Sentinel Squad O*N*E; The Crew by Christopher Priest; and Avengers: The Initiative by Dan Slott and Christos Gage. Rhodes was also featured in the alternate-reality Marvel MAX imprint's U.S. War Machine series by Chuck Austen, and U.S. War Machine 2.0, by Austen and Christian Moore.

Margot Robbie (born 2 July 1990) is an Australian actress. She is known for her role as Donna Freedman on the soap opera Neighbours, which earned her two Logie Award nominations. In 2011, Robbie began starring as Laura Cameron in the ABC drama series Pan Am.

Robbie was born on 2 July 1990 and grew up on the Gold Coast in Australia. Robbie split her time between the beach and her grandparents' farm, before moving to Melbourne when she was seventeen to begin acting professionally. She graduated from Somerset College on the Gold Coast in 2007.

Robbie has been acting professionally since 2007, when she starred in two feature films, I.C.U. and Vigilante, both directed by Aash Aaron. After impressing the director with her performance during an audition, she won the lead in I.C.U. without an agent at the time. She has also acted in commercials and featured in a guest role in City Homicide as Caitlin Brentford in 2008.

Robbie began appearing as Donna Freedman on Neighbours from June 2008. The character was originally only a guest role, but she was soon promoted to a regular cast member. In an interview with Digital Spy, Robbie said she had gone on a snowboarding holiday to Canada with her boyfriend soon after auditioning, but had to return after only two days when told that she had won the role.