1. T.I. continued to dominate the charts with two back-to-back No. 1s: "Whatever You Like" and "Live Your Life" (feat. Rihanna).
2. The Offspring had the No. 1 alternative song with "You're Gonna Go Far, Kid."
3. AC/DC's Black Ice was one of the biggest-selling albums that month.
4. Taylor Swift released her second album, Fearless, which debuted at No. 1.
5. Taylor also gave her infamous interview on Ellen where she accused Joe Jonas of breaking up with her over the phone.
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6. After being accused of cheating, Joe took to his Myspace to to deny he had ever cheated on Taylor.
7. Joe also began dating Camilla Belle.
8. Paris Hilton and Benji Madden announced they had broken up after dating for close to 10 months.
9. Rihanna was a big winner at the AMAs, winning both the Favorite Soul/R&B Female Artist and the Favorite Pop/Rock Female Artist award.
10. Ashlee Simpson-Wentz and her then-hubby Pete Wentz welcomed son Bronx Mowgli Wentz into the world.
11. Beyoncé was busy promoting her new film Cadillac Records (where she portrayed Etta James)...
12. ...and her third solo album, I Am... Sasha Fierce.
13. Quantum of Solace and Slumdog Millionaire were released into theaters...
14. ...as was a little movie called Twilight.
15. H&M released its collaboration with Comme des Garçons.
16. Target announced that its next designer collab would be with Alexander McQueen.
17. People magazine named Hugh Jackman the "Sexiest Man Alive!"
18. Brad Pitt opened up to Oprah about what life was like with Angelina Jolie and their six kids.
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19. And yes, Angelina vs. Jennifer Aniston was still very much a tabloid topic.
20. Britney Spears made a surprise appearance during Madonna's LA show for her Sticky & Sweet Tour. The two dueted to Madge's "Human Nature."
21. Emily Blunt and John Krasinski began dating.
22. TRL aired its final episode, with the last video played being Britney's "...Baby One More Time."
23. And finally, Barack Obama was elected 44th President of the United States.
