Celebrities Caught on a Yacht

Oprah Winfrey films her talk show while sailing on <A HREF="/Places_Trips/Destinations/Oceania/Australia/Sydney">Sydney Harbour</A> with native Australian actor Russell Crowe and his wife Danielle Spencer.

In a red-white-and-blue bikini top, Linda Hogan celebrated the Fourth of July with son Nick Hogan (center) and boyfriend Charlie Hill (right) aboard her aptly named yacht -- 'Alimoney' -- in <A HREF="/Places_Trips/Destinations/North_America/United_States/Florida/Miami">Miami, FL.</A>

Leonardo DiCaprio and his girlfriend Bar Refaeli are spotted together on a yacht in <A HREF="/TV_Shows/Anthony_Bourdain/Episodes_Travel_Guides/ci.Episode_Sardinia.map">Porto Cervo Sardinia, Italy.</A> But she wasn't the only supermodel on board; Naomi Campbell also enjoyed the sun and a swim.

Jenny from the yacht? Jennifer Lopez and her husband, Marc Anthony, relax on designer Roberto Cavalli's yacht in <A HREF="/Places_Trips/Travel_Ideas/Beaches/Beach_Guide/Larvotto_Beach_Monte_Carlo_Monaco">Monaco.</A>

Also enjoying Cavalli's yacht, Mariah Carey shows off her pre-pregnancy body on holiday in Salerno, <A HREF="/Places_Trips/Destinations/Europe/Italy">Italy.</A> While on-board, the pop star frolicked with friends and enjoyed a nice glass of wine.

After being stopped in Corsica for having cannabis in her bag, Paris Hilton jet-skis and poses for sister Nicky while vacationing on a yacht in <A HREF="/Places_Trips/Travel_Ideas/Beaches/Best_Beach_Vacations/Italys_Best_Beaches">Sardinia</A> last July.

Jessica Simpson plants one on Eric Johnson on a private yacht in <A HREF="/Places_Trips/Travel_Ideas/Beaches/Best_Beach_Vacations/Italys_Best_Beaches">Capri, Italy.</A> The couple celebrated the star's 30th birthday in July with friends and Jessica's sister, Ashlee Simpson-Wentz, on board.

Light beach reading? Kevin Spacey is spotted relaxing on a yacht in <A HREF="/Places_Trips/Travel_Ideas/Beaches/Best_Beach_Vacations/Italys_Best_Beaches">Sardinia, Italy,</A> near Porto Cervo, where he enjoyed the company of friends and pal Quincy Jones (not-pictured).

Beyonce lets her hair down and looks crazy in love while on vacation in the South of <A HREF="/Places_Trips/Destinations/Europe/France">France</A> with husband Jay-Z and some friends.

A rather buff-looking Simon Cowell was seen relaxing on his luxury yacht in the South of <A HREF="/Places_Trips/Destinations/Europe/France">France.</A> The usually tough critic was in good spirits enjoying a smoke and even waving to photographers.

On-again couple Jude Law and Sienna Miller have never looked happier behind shades and big smiles on a holiday with friends in <A HREF="/Places_Trips/Destinations/Europe/Spain/Ibiza">Ibiza, Spain.</A>

Heidi Klum is one hot mama. The 37-year-old mom of 4 soaked up the Mediterranean sunshine while watching husband, Seal, and her kids jet-ski off their yacht in the <A HREF="/Places_Trips/Travel_Ideas/Beaches/Best_Beach_Vacations/Italys_Best_Beaches">Italian Riviera.</A>

After a short trip to <A HREF="/Places_Trips/Travel_Ideas/Beaches/Beach_Guide/St_Tropez_France">Saint Tropez</A> while vacationing in the South of France, the fashion-forward Kate Hudson docked in the Port of Nice to catch a private plane.

Kim Kardashian keeps up with her blackberry while sunbathing in a barely-there bikini on a yacht with sister Kourtney in <A HREF="/Places_Trips/Destinations/North_America/United_States/Florida/Miami">Miami.</A>

Shortly after Kate Winslet and husband Sam Mendes split after 7 years of marriage, she was spotted in <A HREF="/Places_Trips/Destinations/North_America/Mexico/Puerto_Vallarta">Puerto Vallarta, Mexico,</A> relaxing with a cup of tea and a cigarette.

Demi Moore gets a leg up on the New Year celebrations in <A HREF="/Places_Trips/Travel_Ideas/Beaches/Beach_Guide/Grand_Cul_De_Sac_St_Barts">St. Barts,</A> boarding a $350-million yacht reported to be the most expensive in the world owned by friend and Russian billionaire Andrey Melnichenko.