Tori Spelling's hubbyDean McDermottis an actor and reality star by day, but also has a love of motorcycle racing. Dean was seriously injured in a dirt bike accident in 2010, but has recovered since.
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Dean McDermott -- Motorcycle Racing
Tori Spelling's hubby Dean McDermott is an actor and reality star by day, but also has a love of motorcycle racing. Dean was seriously injured in a dirt bike accident in 2010, but has recovered since.
Mark Walhberg loves to golf, and, like Justin Timberlake, has played host to a golf tournament.
Sarah Jessica Parker and Kristin Davis -- Knitting
Kristin Davis reportedly passed on her love of knitting to her 'Sex and the City' co-star Sarah Jessica Parker.
David Letterman -- Car Racing
David Letterman loves car racing so much that he co-owns his own team -- Rahal Letterman Lanigan Racing. A driver from his team won the Indy 500 in Letterman's home state in 2004.
Jeff Bridges -- Photography
Oscar winner Jeff Bridges loves to take photographs in his spare time, and in 2006, he released a book of his photos, called Pictures.
Tom Cruise -- Riding Motorcycles
Tom Cruise's love of motorcyles is well known. He's featured above riding a bike on the set of the film 'Knight and Day' with Cameron Diaz.
Jay Leno -- Collecting Vehicles
Jay Leno keeps his impressive car and motorcycle collection, which spans 100 years of automotive history, in a 17,000 square foot garage.
Jack Nicholson -- Cheering on the Lakers
Oscar winner Jack Nicholson is possibly the Los Angeles Lakers basketball team's biggest fan -- he is frequently spotted courtside when the team plays.
Angelina Jolie -- Tattoos
Angelina Jolie's love of tattoos is clearly visible to anyone who looks. The proud mama has a tattoo for each of her six children listing the coordinates of the place of their births.
Justin Timberlake -- Golfing
Justin Timberlake loves golf so much that he holds a yearly golf tournament -- the Justin Timberlake Shriners Hospitals for Children Open.
Robert Pattinson -- Music
Rob Pattinson may be a sparkly vampire on the big screen, but in his spare time, he likes to strum his guitar, composing music.
George Clooney -- Advocacy
Although George can frequently be spotted enjoying life near his home in Lake Como, Italy, he uses much of his downtime to campaign for social causes. The actor has been one of most vocal activists speaking out about the conflict in Darfur.
Gwyneth Paltrow -- Cooking
Gwyneth Paltrow writes about her love of cooking regularly on her blog, Goop, but she recently took it to the next level, releasing a cookbook: My Father's Daughter: Delicious, Easy Recipes Celebrating Family & Togetherness.
Brad Pitt -- Architecture
Brad Pitt combined his love of architecture and his love of philanthropy by joining forces with Global Green to build eco-friendly homes for New Orleans hurricane victims.
Prince William and Prince Harry -- Polo
Prince William and Prince Harry take after their father Prince Charles in their love of polo.
Time to Unwind -- Stars' Favorite Hobbies
The stars need time to unwind just like everyone else -- click to see what some of them like to do in their spare time.