Out of the office this Presidents' Day? Have some clickable fun with today's special edition of Match the Celeb With the Cell Phone! Question 1 of 3Guess who's snapping a cameraphone pic? Jon Hamm Justin Timberlake Kellan Lutz Joshua Jackson 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

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

It's time to play! Question 1 of 2Guess who's got a BlackBerry and an iPad? Jessica Alba Rachel McAdams Mila Kunis Rachel Bilson Read more

Put your thinking caps on! Question 1 of 3Guess who's waving hello with his BlackBerry? Garrett Hedlund Ryan Seacrest Chace Crawford Ryan Gosling Read more

Put your thinking caps on — it's time to play! Question 1 of 3Guess who's taking her BlackBerry, coffee, and superhero tee to the gym? Mila Kunis Ashley Tisdale Selena Gomez Megan Fox Read more

It's time to play! Question 1 of 4Guess who's carrying a white BlackBerry? Diane Kruger Kate Bosworth Cameron Diaz Lindsay Lohan Read more

Get ready to play! Question 1 of 3Guess who's got her BlackBerry in the airport? Kate Moss Blake Lively Kate Bosworth Cameron Diaz Read more

Put your thinking caps on — it's time to play! Question 1 of 5Guess who's gaming with Jimmy Fallon? Gwen Stefani Amy Poehler Lindsay Lohan Katherine Heigl Read more