[7] On April 20, 1993, when he was 13 years old, Carter formed the vocal group the Backstreet Boys along with AJ McLean, Brian Littrell, Howie Dorough, and Kevin Richardson.

In March 2016, the group announced that they would begin an exclusive headlining residency at Planet Hollywood in Las Vegas called Backstreet Boys: Larger Than Life.

[31] In 2010, Carter started recording new songs for his second solo album, working with Rami Yacoub, Carl Falk, Toby Gad, Josh Hoge, and Claude Kelly, among many others.

"[41] On August 18, Carter released a new single, Superman, dedicating it to his family after everything they had been through with Aaron's death as well as how his sister Angel got involved with the foundation On Our Sleeves.

The Who I Am World Tour was a more personal show for fans to discover Carter's story of his many early musical influences before joining the Backstreet Boys.

In October 2004, he even starred as a High School football player, Brody, in the ABC Family Halloween special, The Hollow, opposite Kevin Zegers.

[51][52] In 2007, Carter filmed the independent movie Kill Speed with Brandon Quinn, Andrew Keegan, Natalia Cigliuti, Greg Grunberg, and Reno Wilson, where he played a character named Foreman.

Besides NSYNC's Joey Fatone and Chris Kirkpatrick, O-Town's Erik-Michael Estrada, Jacob Underwood, and Trevor Penick, and 98 Degrees' Jeff Timmons will also star in the movie.

The film also includes Jon Secada, Geraldo (a rapper remembered for the song Rico Suave), Art Alexakis (Everclear), and Debra Wilson (MadTV cast member), plus many more.

[64][65] In June 2017, Carter appeared alongside Emma Bunton and Timbaland as a judge on a new singing competition show called Boy Band.

[67] While the group was touring in Canada, Carter appeared on Chanteurs Masques, the Canadian version of the Masked Singer, this time as a Sphynx cat for one episode.

[41] On August 18, Carter shared that his sister Angel was getting involved with On Our Sleeves, a foundation that helps children facing mental and emotional health struggles.

[88][89][90] On January 2, 2002, Carter was arrested at Pop City nightclub in Tampa, Florida, and charged with a misdemeanor count of resisting/opposing a law enforcement officer without violence.

Carter pled guilty to the charges and was fined $1,200, placed on three years of informal probation, had his driving privileges restricted for 90 days and was required to undergo a three-month alcohol education program.

[94] On January 13, 2016, Carter was arrested at Hog's Breath Saloon in Key West, Florida after he was refused service at the bar due to "high levels of intoxication."

[95] In September 2019, Carter was granted a temporary restraining order against his younger brother Aaron after alleging he threatened to kill his then-pregnant wife.

[97][98][99][100][101][102] On February 18, 2022, in a class-action lawsuit filed against the cryptocurrency company SafeMoon that alleged the company is a pump and dump scheme, Carter was named a defendant along with YouTuber and professional boxer Jake Paul, rappers Soulja Boy and Lil Yachty, and social media personality Ben Phillips for promoting the SafeMoon token on their social media accounts with misleading information.

[103][104] On the same day, the U.S. 11th Circuit Court of Appeals ruled in a lawsuit against Bitconnect that the Securities Act of 1933 extends to targeted solicitation using social media.

[105] On December 8, 2022, Shannon Ruth filed a lawsuit against Carter, alleging that he raped her in 2001 on board the Backstreet Boys' tour bus when she was a 17-year-old fan.

[110][106] Following the release of the lawsuit, ABC, Hulu and Disney+ canceled A Very Backstreet Holiday, a television holiday special featuring the Backstreet Boys scheduled to air the following week on December 14, 2022; their $350,000 holiday promotion for MeUndies;[111][112] as well as endorsement deals including Tonies, The Children's Place,[113] Vrbo,[114] Expedia,[115] and Roblox; their Jingle Ball performance on The CW; appearances on GMA, the Kelly Clarkson Show, La semaine des 4 Julie and the album signing at the Edge NYC were canceled, which led to fans boycotting ABC and the Kelly Clarkson Show for what they called "cancel culture".

[108] In November 2017, during the #MeToo movement, Melissa Schuman, a former member of the girl group Dream, publicly claimed Carter forced her to have sex against her will.

[122] In February 2018, it was reported that the Los Angeles County District Attorney's Office would not pursue charges against Carter in the case because the statute of limitations had expired in 2013.

[143][144] One month after the Fallen Idols docuseries premiere, another woman contacted Schuman privately about being sexually assaulted by Carter, stating her identity and enough "specific details" to appear "credible" and be mentioned to the Los Angeles County Superior Court.

[145] Since Fallen Idols, Carter has filed another lawsuit against Schuman, stating that her alleged lies and defamatory statements cost him and the band a seven-figure deal.

[126] Carter and his late brother Aaron are the subject of a docuseries on ID and Max called Fallen Idols, which premiered over two nights on May 27 and 28, 2024.

The series dives into the sexual assault allegations against the Backstreet Boys singer, as well as his brother's mental health struggles and substance abuse issues that led to his death.

The docuseries included interviews with family members, close friends, industry professionals, and Nick's accusers — Melissa Schuman, Ashley Repp, and Shannon Ruth — as well as a member of the Carter family, Aaron's former fiancée Melanie Martin, and Kaya Jones (who claimed to be Nick's ex-girlfriend in 2004)[146] to paint a picture of how the brothers' tumultuous upbringing contributed to their ups and downs.

Those cases are working their way through the legal system now, and based on both the initial court rulings and the overwhelming evidence, we have every belief that we will prevail and hold them accountable for spreading these falsehoods.

[153] The singer credits fellow Backstreet Boys member Kevin Richardson for helping him turn his life around by giving him Norman Vincent Peale's book Why Some Positive Thinkers Get Powerful Results.

[156] In December 2011, Carter again appeared on TV to talk about his struggle with drugs and alcohol, this time on The Dr. Phil Show's "Second Chances" special.