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

Justin Timberlake and Jessica Biel were in Italy this week to see which of her former co-stars get married?

2 of 10

What does John Mayer call his group of friends?

3 of 10

Which country has already canceled the 90210 spinoff?

4 of 10

Jessica Simpson appeared on which reality show this week?

5 of 10

What did Liev Schreiber give Naomi Watts for her 40th birthday this week?

6 of 10

Who was the corporate sponsor behind Britney Spears' $10,000 donation to a NYC middle school?

7 of 10

Lauren Conrad was in Las Vegas last weekend to celebrate the birthday of which costar?

8 of 10

Which actor revised his views on tying the knot, saying, "I want to get married and have children. In saying that, I realize I am contradicting everything I’ve said before. I absolutely believe in marriage."?

9 of 10

Jay-Z tried on which Olympian's gold medals while out in NYC on Wednesday night?

10 of 10

Which TV host asked Anne Hathaway if she ever suspected her now-jailed ex-boyfriend of stealing things from her purse?