Pictures Celebrity Smooches March 12, 2012 / 2:01 PM EDT / CBS News (Credit: Stephen Dunn/Getty Images) Russell Crowe and Danielle Spencer (Photo by Ezra Shaw/Getty Images) Russell Brand and Tamara Palmer (Photo by Getty Images) Heidi Klum and Kenneth Cole (Credit: Tullio Puglia/Getty Images) Manny Pacquiao and his wife Jinkee (Photo Credit: STAN HONDA/AFP/Getty Images) Lambert Wilson and Sabrina Ouazani (Photo Credit: FRANCOIS GUILLOT/AFP/Getty Images) Cadel Evans and Chiara Evans (Photo by Scott Barbour/Getty Images) Julia Roberts and Javier Bardem (Photo by Carlos Alvarez/Getty Images) Pink and Carey Hart (Photo by Quinn Rooney/Getty Images) Rolf Hellgardt and Monica Lierhaus (Photo Credit: TOBIAS SCHWARZ/AFP/Getty Images) Clovis Cornillac and Lilou Fogli (Photo by Ian Gavan/Getty Images) Katy Perry and Johnny Wujek (Photo by Noel Vasquez/Getty Images) Will Ferrell and John C. Reilly (Photo by Noel Vasquez/Getty Images) Justin Timberlake and Jessica Biel (Photo by Noel Vasquez/Getty Images) Bill & Giuliana Rancic (Photo by Michael Loccisano/Getty Images for NIVEA) Prince William and Kate (Photo by Peter Macdiarmid/Getty Images) Halle Berry and Jamie Foxx (Photo by Kevin Winter/Getty Images) Laura Dern and Ben Harper (Photo by Kevin Winter/Getty Images) Ellen DeGeneres and Kid Rock (Photo by Kevork Djansezian/Getty Images for PCA) Paula Abdul and Simon Cowell (Photo by Kevin Winter/Getty Images) David Hasselhoff and Pamela Anderson (Photo by Kevin Winter/Getty Images) Meryl Sctreep and Sandra Bullock (Photo by Kevin Winter/Getty Images for VH1) Ralph Fiennes and Meryl Streep (Photo by Kevin Winter/Getty Images) Kyra Sedgwick and Kevin Bacon (Photo by Kevin Winter/Getty Images) Jamie Foxx and Chaka Khan (Photo by Kevin Winter/Getty Images) Arnold Schwarzenegger and Jaime Lee Curtis (Photo by Kevin Winter/Getty Images) Jessica Lange and Alec Baldwin (Photo by Kevin Winter/Getty Images) Kristen Chenoweth and Sean Hayes (Photo by Andrew H. Walker/Getty Images) Tony Bennett and Susan Crow (Photo by Julian Finney/Getty Images) Lady Gaga and Mayor Michael Bloomberg (Photo by Jemal Countess/Getty Images) Shakira and Gerard Pique (Photo by Jasper Juinen/Getty Images) Kim Kardashian and Kris Humphries (Photo by Jason Merritt/Getty Images) Daniel Hartwich and Brigitte Nielsen (Photo by Getty Images/Getty Images) Benjamin Millepied and Natalie Portman (Photo Credit: GABRIEL BOUYS/AFP/Getty Images) Peter O'Toole and Rose McGowen (Photo by Frederick M. Brown/Getty Images) Scott Bailey and Adrienne Frantz (Photo by Frazer Harrison/Getty Images) Til Schweiger and Melanie Scholz (Photo by Florian Seefried/Getty Images) Steven Tyler and Carrie Underwood (Photo by Ethan Miller/Getty Images) Perla Hudson and Slash (Photo by Ethan Miller/Getty Images) Lady Gaga and Sting (Photo by Christopher Polk/Getty Images for Clear Channel) Britney Spears and Rihanna (Photo by Ethan Miller/Getty Images for ABC) Kobe Bryant and Vanessa Bryant (Photo by Andrew D. Bernstein/NBAE via Getty Images) Audrina Patridge and Ryan Cabrera (Photo by Christopher Polk/Getty Images for Las Palmas) Adam and Jackie Sandler (Photo by Christopher Polk/Getty Images for PCA) Kourtney Kardashian, Khloe Kardashian and Kim Kardashian (Photo by Andrew H. Walker/Getty Images) Lamar Odom and Khloe Kardashian (Photo by Andrew D. Bernstein/NBAE via Getty Images) Jack Black andTanya Haden (Photo by Paul Hawthorne/Getty Images) Alexandra Maria Lara and Sam Riley (Photo by Andreas Rentz/Getty Images) Angelina Jolie and Brad Pitt (Photo by Andreas Rentz/Getty Images) Selena Gomez and Justin Bieber (Photo by Jason Merritt/Getty Images)