Get ready to play! Question 1 of 2Guess who's texting on her iPhone 4? Blake Lively Amanda Seyfried Mary-Kate Olsen Taylor Swift Read more

Put your thinking caps on! Question 1 of 2Guess who's toting two white phones — a BlackBerry and an iPhone? Paris Hilton Blake Lively Amanda Seyfried Read more

Time to play! Question 1 of 3Guess who's heading into the gym with his MacBook Pro? Ryan Phillippe Matthew McConaughey Michael Sheen Read more

Put your thinking caps on! Question 1 of 3Guess which celeb is keeping his iPhone 4 at hand during his walk? Chris Pine Zachary Quinto Joseph Gordon-Levitt Read more

Put your thinking caps on; it's time to play! Question 1 of 2Guess who's about to make a call on his iPhone 4? Leonardo DiCaprio Josh Hartnett Kellan Lutz Garrett Hedlund Read more

Ready to play? Question 1 of 4Guess who's got a white iPhone 3GS? LeAnn Rimes Cameron Diaz Reese Witherspoon Naomi Watts Read more

Get ready to play! Question 1 of 4Guess which chiseled star is taking his iPhone to the gym? Mark Wahlberg Chris Hemsworth Kellan Lutz Read more

Put your thinking caps on! Question 1 of 2Guess which stylish celebrity mom has an iPhone 4 in a red case? Gwyneth Paltrow Christina Aguilera Gwen Stefani Rachel Zoe Read more

Get ready — it's time to play! Question 1 of 6Guess who's at the airport with her iPhone 4? Megan Fox Selena Gomez Kristen Stewart Mila Kunis Read more