It's time to test your knowledge of what's happened this week with our favorite celebrities. Have you paid attention to everything that's gone down? Take the quiz!

1 of 10

Leonardo DiCaprio picked up an award in Berlin this week for his work in which film?

2 of 10

Where are Lindsay and Samantha planning to spend Valentine's Day?

3 of 10

Which person did Britney Spears reunite with this week?

4 of 10

Kanye West was out on Sunday night to celebrate after the Grammy Awards in LA. What other celeb was out on the town?

5 of 10

Madonna posed with male model Jesus Luz in a steamy photo shoot for which magazine?

6 of 10

What is John Mayer giving Jennifer Aniston for her birthday?

7 of 10

Marisa Miller was on the cover of last year's Sports Illustrated swimsuit issue — who's on 2009's?

8 of 10

Orlando Bloom and Miranda Kerr are helping raise money for what cause?

9 of 10

Who hit the red carpet with Gwyneth Paltrow after a memorable appearance on The Late Show With David Letterman?

10 of 10

Who said, "Until recently, my closet was overwhelmed. It was an eclectic mess of everything I'd ever owned since I was young. I don't shop a lot, so I was surprised that I was a hoarder. I was inspired to get rid of everything."?