by Beata Loyfman

In the words of Eddie Albert in the classic Roman Holiday: "Joe, we can't go running around town with a hot princess!"

Well, not unless you're Justin Timberlake, in which case you can PDA around Rome with anyone you please. And this week JT has been soaking up the sites with his main squeeze, the lovely (if slightly bland) Jessica Biel. (She's got him "Love Stoned.") Visitors to Rome's Colosseum and Villa Borghese have had to deal with paparazzi who have been (unsurprisingly) stalking the couple.

But it's not all fun and games for JT. November's Golf Digest cover boy has been using his skills on the green and his status as a media magnet to raise funds for Shriners Hospitals for Children. This network of 22 facilities provides specialized care to children around the world. It's an amazing program, and we applaud JT for taking time out of his fabulous celebrity life to help others.

Of course, this has been quite the trend lately: With Matt Damon, Ashley Judd, Madonna, and Queen Rania tackling the problems in Africa, Wyclef Jean helping in Haiti, and plenty of other celebs lending their sparkle for various causes. Check out Look to the Stars for an update on the who's who of celeb causes.