Celebrity Star Tracks: Monday, March 15, 2010 By People Staff Published on March 15, 2010 05:00 PM Share Tweet Pin Email Trending Videos 01 of 15 EVERYDAY ITALIAN FCS/Fame Pictures Brad Pitt continues his Italian family adventure Sunday, sightseeing with 3½-year-old Shiloh in Florence. The family, who's in town while Angelina Jolie films The Tourist, headed to the famed Uffizi Gallery for some art appreciation. 02 of 15 PONY UP Storms Media Group Kourtney Kardashian saddles up during a polo lesson Sunday at the International Polo Club Palm Beach in Wellington, Fla. The reality star spent the day horsing around with Khloe, beau Scott Disick and their adorable 3-month-old baby boy Mason. 03 of 15 STRONG HOLD Splash News Online Demi Lovato and Joe Jonas make their romance public Sunday, holding hands while shopping in Los Feliz, Calif. Over the weekend, Lovato opened up about her relationship with the middle JoBro, whom she called, "perfect." 04 of 15 LEAN TIMES Xposure Despite suffering an agonizing injury on the field Sunday, soccer star David Beckham gets back on his feet – thanks to the help of crutches – in Milan on Monday. 05 of 15 HEROIC MEASURES Albert Michael/Startraks It's a superhero celebration! Tori Spelling and hubby Dean McDermott don their best costumes Saturday to celebrate son Liam's 3rd birthday in Los Angeles. It's back to work soon for the couple, whose reality show, Tori amp Dean: Home Sweet Hollywood, returns on Oxygen April 5. 06 of 15 SINGLE IN THE CITY Bauer-Griffin Jennifer Love Hewitt, who recently split from boyfriend Jamie Kennedy, smiles as she chats on the phone and picks up a little lunch at Koo Koo Roo in Los Angeles Sunday. 07 of 15 HANGING LOOSE Starsurf/Splash News Online From red carpet to tropical island: Just days after the Oscars, George Clooney turns on his famous charm on the set of his new movie, The Descendents, in Hawaii on Friday. 08 of 15 ON THE GO Splash News Online Reese Witherspoon keeps cool with an icy drink on a hot day in Los Angeles on Friday. 09 of 15 BAT BOY Jack Shea/MeetTheFamous Nick Jonas steps into the batter's box Friday, joining the Los Angeles Dodgers for spring training at Camelback Ranch in Glendale, Ariz. Perhaps the JoBro scored hitting tips from another famous face – Rihanna's new beau and Dodgers outfielder Matt Kemp. 10 of 15 BABY ON BOARD Kaminski/Splash News Online How I Met Your Mother star Alyson Hannigan and husband Alexis Denisof take 11-month-old daughter Satyana – check out her cute leg kick! – out for a stroll near their L.A. home Friday. The adorable tot turns 1 on March 24. 11 of 15 FLIGHT PATTERN INF After a quick trip to London for the Bounty Hunter premiere, Jennifer Aniston arrives at New York's John F. Kennedy International Airport on Friday – without Gerard Butler. 12 of 15 SWEET DEAL Splash News Online Talk about a satisfied customer! Violet Affleck, 4, smiles brightly as she leaves a Santa Monica, Calif., juice bar with mom Jennifer Garner on Friday. 13 of 15 MAKING THE CUT Josh Anderson/AP Dolly Parton lets her cheeky T-shirt do the talking on Friday at the grand opening of her new store, Dolly Parton's Trinkets and Treasures. The Nashville, Tenn., boutique sells clothes, hats and other fun gear. 14 of 15 PUFF MOMMA Elder Ordonez/INF A bundled-up Tina Fey takes the call in between shooting scenes for 30 Rock in New York Friday. 15 of 15 CONNECT THE DOTS Seth Browarnik/Red Eye Productions Ashley Tisdale cuddles up to a pink pooch Thursday at the launch party for Victoria's Secret PINK Nation event in Key West, Fla.