So where does the actor rank among the most noteworthy celeb apologies? Justin Bieber: The 20-year-old pop star issued a public apology after a 2011 video recently surfaced, in which the Biebs tells a racist joke."As a kid, I didn't understand the power of certain words and how they can hurt," the Biebs began in his lengthy statement.Tuesday after he was caught on camera using a homophobic slur and admitted that he hopes other people will learn from his mistake."This is a heartbreaking situation for me…in that moment I said a disgusting word that does not at all reflect how I feel about any group of people," the 30-year-old actor said after revealing that he was repeatedly taunted by the paps before he lost his cool. I'm leaving here to go spend the day with one of my closest co-workers and best friend who is gay, who's getting married, who I'm going to stand at his wedding. ""I'm not at all defending my choice of words but I am happy to be the poster boy for thinking about what you say and how those words, even if you don't intend them and how they mean, they are rooted in hate, and that's bulls—t.

In 1996, he was diagnosed with a potentially fatal metastatic testicular cancer.

After his recovery, he founded the Lance Armstrong Foundation (now the Livestrong Foundation) to assist other cancer survivors.

Now that these mistakes from the past have become public I need to apologize again to all those I have offended.

I'm very sorry." director Rubert Sanders, who, at the time, was a married father of two, Stewart publicly apologized—and confessed her love for then-boyfriend Robert Pattinson.

Returning to cycling in 1998, he was a member of the US Postal/Discovery team between 19, when he won his Tour de France titles, as well as a bronze medal in the 2000 Summer Olympics.

Armstrong retired from racing at the end of the 2005 Tour de France, but returned to competitive cycling with the Astana team in January 2009, finishing third in the 2009 Tour de France later that year.

In 1992, Armstrong began his career as a professional cyclist with the Motorola team.

He had notable success between 19, including stage 8 of the Tour de France and the World Championship in 1993, the Clásica de San Sebastián in 1995, Tour Du Pont in 19, and a handful of stage victories in Europe, including stage 18 of the 1995 Tour de France.

I wrote a personal character reference for Tom because we have been friends for 30 years and, despite the serious wrong he has done, I could not abandon him.” Last week, the Dublin Circuit Criminal Court heard how Humphries had picked the then 16-year-old girl up from her school and brought her to his apartment where he sexually abused her.