Here's what's happening today in pop culture:
• Britney Spears has confirmed that she will start a two-year residency at Las Vegas' Planet Hollywood hotel/casino. [The Huffington Post]
• Leonardo DiCaprio will play Woodrow Wilson, the president who led the United States before and during World War I, in a new biopic. [The Hollywood Reporter]
• Another reason for radio stations to play "Wrecking Ball": Miley Cyrus and Liam Hemsworth have broken off their engagement. [People]