Today Britney Spears is a mellow, medicated, mom who's hinted she just might give up the pop world once her Vegas show wraps in two years. But before she settled down -- and after she was a sweet child star -- she was Britney, b*tch! From her 55-hour marriage to her conservatorship, RadarOnline.com takes a look back at the pop star's 40 biggest secrets and scandals.
1. In January 2008, police came to Spears' L.A. home, where she had barricaded herself in a bathroom with son Jayden. Cops broke down the door and then took Spears to a hospital via ambulance, where she was kept on a 5150 psychiatric hold.
2. Merchant navy officer Rachel Owens has claimed that ships play Spears' songs "Oops ... I Did It Again" and "Hit Me Baby One More Time" over speakers to deter Somali pirates who "hate Western culture."
Britney Spears and Jason Alexander
3. Spears shocked the world when she married high school sweetheart Jason Alexander in a 5 a.m. ceremony at The Little White Wedding Chapel in Vegas in January, 2004. The union was annulled just 55 hours later.
Kevin Federline and Britney Spears
4. In April, 2004, Spears started dating her backup dancer Kevin Federline, even though he was also dating acres Shar Jackson, who was pregnant with his second child. Spears and Federline split in 2006 after marrying and having two children, Jayden and Sean Preston.
Britney Spears and Sean Preston
5. In February, 2006, Spears was slammed for driving with her son Sean on her lap and not in a baby carseat.
6. In February, 2007, Spears danced in a bikini before swapping outfits with a club dancer at One Little West 12 in NYC.
7. Also in February 2007, she was spotted puking in her car after a night out partying.
8. On February 16, 2007, Spears was photographed shaving her head at Esther's Haircutting Studio.
9. Spears checked into rehab at Promises in California on February 20, 2007, after checking out of rehab at Crossroads Antigua just days before.
Britney Spears and Preston Federline
10. Spears tripped and almost dropped son Preston while leaving the Ritz-Carlton in NYC on May 18, 2006. She was later seen crying.
11. Spears showed the world she was going commando during a night out on November 27, 2006. It wouldn't be the last time!
12. Spears crashed a party on her 26th birthday, Dec. 2, 2007, in L.A., where she swigged champagne and left with fur coats worth $30,000.
13. Spears' appearance at the 2007 VMAs was supposed to be an epic comeback, but instead has gone down as one of the worst in history.
14. In May 2007, she was photographed topless, holding two flowers in front of her nipples at a friend's house.
Britney Spears and Columbus Short
15. In 2003, the wife of actor and dancer Columbus Short slammed Spears for flirting with her baby daddy. "Britney was infatuated with my husband from the moment she met him," Short's wife Brandi said. "He told her they couldn't have a relationship because he was married and had a baby on the way. But she didn't want to hear it …"
Britney Spears and Kevin Federline
16. In 2004, Spears and then-boyfriend Federline were spotted hanging out at a cannabis cafe in Amsterdam.
Britney Spears and Jason Trawick
17. In 2007, Star magazine accused Spears' then-boyfriend Jason Trawick of cheating on her with Jessica Steindorff. Trawick denied it.
Sam Lufti and Britney Spears
18. In 2007, creepy svengali Sam Lutfi seemed to have total control over Spears' life. A year later, she would get a restraining order against him.
19. But in December of this years, Lutfi released text messages that he claimed to be from the star, saying "I'm sad … and lost." Spears' legal team has challenged the authenticity of the texts.18. In 2007, creepy svengali Sam Lutfi seemed to have total control over Spears' life. A year later, she would get a restraining order against him.
Justin Timberlake and Britney Spears
20. Spears broke up with her long-time love Justin Timberlake in 2002, amid rumors that she had cheated. His music video for "Cry Me A River" featured a Spears lookalike doing just that.
Britney & Kevin: Chaotic
21. Spears' wild 2005 reality television show with Federline, Britney & Kevin: Chaotic was widely panned, and she now admits it was "the worst thing I've done in my career."
22. While being trailed by paps in 2007, Spears pulled over in Malibu, stripped down to her underwear, and ran into the sea.
23. Singer Myah Marie has been accused of providing vocals for Spears' albums for years. Both Marie and Spears insist that she only does backing tracks.
24. In 1999, Spears shocked the world by appearing half-naked on the cover of Rolling Stone. The American Family Association later called for "God-loving Americans to boycott stores selling Britney's albums."
25. Spears has admitted to losing her virginity with a high school boyfriend at the age of 14.
26. Spears copped to getting lip injections, but has denied rumors she got a boob job and nose job as a teen
David Lucado and Britney Spears
27. Spears has confirmed that her father Jamie forced boyfriend David Lucado to undergo a background check before dating her.
28. Spears surprised gay fans when she recommended the work of homophobic pastor Max Lucado during a Twitter chat. She's also drawn heat from bloggers who called her "tacky," "condescending" and "infantilizing" for calling gay people "adorable and hilarious."
29. PETA scrapped a planned anti-fur campaign with Spears after she danced with a snake in her 2001 MTV VMAs performance.
Britney Spears and Madonna
30. In 2003, Spears shocked the world by making out with Madonna onstage at the VMAs.
Jamie Lynn Spears
31. In 2008, Spears' little sister Jamie Lynn announced she would be a teen mom at just 16.
32. Spears infamously attacked a photographer's car with an umbrella in 2007, shortly after leaving rehab.
Britney Spears, Sean Preston and Jayden James
33. Spears lost physical custody of her children as her life spiraled out of control in 2007. She's an active parent today.
Britney Spears and Adnan Ghalib
34. Spears dated a paparazzo, Adnan Ghalib, in early 2008. Reports claimed the two got married during a quick trip to Mexico, but proof never materialized.
35. Fans walked out of a Perth, Australia, Spears concert in 2009 amid claims she was lip-synching. Spears insists that she always sings live.
36. In October, Spears' dad asked a judge to pay him more money for managing Spears' affairs. He currently gets more than $16,000 per month for salary and rent.
Lynne and Jamie Spears
37. Spears' former confidante Lutfi sued her mother, Lynne, for libel and breach of contract in 2012 over claims she made in her 2008 book, which called him a "gatekeeper" to her daughter. A judge later threw out the case.
Britney Spears and Justin Timerlake
38. During the defamation lawsuit, a lawyer for Jamie Spears said that Spears' breakup with Timberlake changed her from "a ray of light" to a "depressed person."
39. Spears' mom Lynne has admitted that she was "so worried" the pop star was using drugs while palling around with Lutfi, but he insists he never gave her any.
40. In September 2007, Spears was charged with hit and run and driving without a license after leaving the scene of an accident. The charges were later dismissed.