1.
Katy Perry's continued to dominate the charts with her hit single, "I Kissed A Girl."
5.
Along with releasing her new album, Miley also hosted the Teen Choice Awards.
6.
And in case you were wondering, some of the big winners of the Teen Choice Awards were Gossip Girl, which won Choice TV: Drama Show...
7.
...and the Jonas Brothers who won a whole bunch of awards, like Choice Music: Breakout Group and Choice Hottie: Male.
8.
John Mayer and Jennifer Aniston called it quits after a few months of dating.
9.
Ellen DeGeneres and Portia de Rossi got married.
10.
Ryan Gosling and Rachel McAdams got back together after being split up for over a year.
11.
Bernie Mac died at age 50 from complications from pneumonia.
12.
Michael Phelps won a record eight gold medals at the Beijing Olympics.
13.
Barack Obama announced that Joe Biden was his pick for VP.
14.
While John McCain announced that Sarah Palin was his vice presidential running mate.
15.
People reportedly paid $14 million for the first photos of Brad Pitt and Angelina Jolie's twins, Vivienne and Knox.
16.
It was announced that Kara DioGuardi would join Simon Cowell, Paula Abdul, and Randy Jackson as the new judge on American Idol.
17.
Christina Applegate announced that she had been diagnosed with breast cancer.
18.
The Sisterhood of the Traveling Pants 2, Pineapple Express, Tropic Thunder, and The House Bunny were all released into theaters.
19.
And finally, at the Democratic National Convention, Barack Obama became the official Democratic nominee for president.