With their entire lives in the spotlight, it is difficult for celebrities to show their affection for one another without the paparazzi taking a snapshot.  Whether it's on set, at dinner, or in the streets, celebrities are constantly caught giving us a glimpse of some lip-locking.

Scroll down to check out our favorite celeb smooches...


Actor George Clooney kisses his girlfriend Elisabetta Canalis as they pose for photographers during a red carpet for the premiere of the movie The Men Who Stare At Goats at the 66th Venice Film Festival September 8, 2009. REUTERS/Tony Gentile

Actress Nicole Kidman (L) and Musician Keith Urban kiss during the match between Roger Federer of Switzerland and Tommy Robredo of Spain at the U.S. Open tennis championship in New York September 7, 2009. REUTERS/David Gray

Actors Kevin Bacon (L) kisses his wife Kyra Sedgwick (R) during Game 5 of their NBA Western Conference semi-final basketball playoff game between the Los Angeles Lakers and the Houston Rockets in Los Angeles, May 12, 2009. REUTERS/Danny Moloshok

Singer Mariah Carey (L) is kissed by her husband Nick Cannon as Oprah Winfrey looks on while appearing on the Oprah television show being broadcast from New York's Central Park, September 18, 2009. REUTERS/Mike Segar

Actress Eva Longoria Parker of the series Desperate Housewives kisses her husband Tony Parker (R) as they arrive for the screening of the film Bright Star by director Jane Campion at the 62nd Cannes Film Festival May 15, 2009. REUTERS/Regis Duvignau

Former Beatle Paul McCartney and Nancy Shevell, an MTA Board member, share a kiss as she leaves the MLB American League baseball game between the New York Yankees and the Texas Rangers at Yankee Stadium in New York August 26, 2009. REUTERS/Ray Stubblebine

Actresses Ellen DeGeneres (R) and Portia de Rossi kiss after Ellen won outstanding talk show host for The Ellen DeGeneres Show at the 35th Annual Daytime Emmy Awards at the Kodak theatre in Hollywood, California June 20, 2008. REUTERS/Fred Prouser

Actress Katie Holmes (C) kisses her husband actor Tom Cruise, who is carrying their daughter Suri, after Holmes finished the 2007 New York City Marathon in New York November 4, 2007. REUTERS/Chip East

Tori Spelling (R) kisses her husband Dean McDermott as they arrive at the Much Music Video Awards in Toronto, June 18, 2006. REUTERS/Mike Cassese

Jennifer Lopez and her husband Marc Anthony kiss as they arrive at the world premiere of their movie El Cantante (The Singer) at the Raul Julia Theater in the Puerto Rico Art Museum in San Juan July 23, 2007. REUTERS/Ana Martinez

U.S. actress Mira Sorvino kisses her husband Christopher Backus as they arrive for the screening of the film Like Dandelion Dust at the 35th Deauville American film festival in Deauville September 7, 2009. REUTERS/Pascal Rossignol

Socialite Paris Hilton and her friend Doug Reinhardt kiss as they arrive on the red carpet for the screening of the film Inglourious Basterds by director Quentin Tarantino at the 62nd Cannes Film Festival May 20, 2009. Twenty films compete for the prestigious Palme d'Or which will be awarded on May 24. REUTERS/Vincent Kessler