The idea behind National Kissing Day is that many people may have forgotten the simple pleasures associated with kissing for kissing’s sake, as opposed to kissing as mere social formality. Sometimes a kiss can be a romantic gesture while it can also be a huge sign of love as demonstrated by some of Hollywood’s hottest celebrity moms and dads.
Kissing Day is celebrate don July 6th and started in the United Kingdom. The holiday was then adopted worldwide making July 6th International Kissing Day or World Kiss Day.
Check out photos below of Tinseltown’s best exhibits of PDA including those of Brad Pitt, Angelina Jolie, Christina Aguilera, Tom Cruise, Katie Holmes, and Pink!
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Brad Pitt and Angelina Jolie can't keep their hands off each other as they attend the premiere for Pitt's animated film "Megamind" in Paris.
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LeAnn Rimes and Eddie Cibrian share a kiss at the airport.
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Pink and Carey Hart share a kiss.
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Katie Price is seen getting close with Argentinean boyfriend Leandro Penna in the pool at the Ocean Club in Puerto Banus, Spain.
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Australian TV Chef Curtis Stone catching a flight with his newly pregnant girlfriend, actress Lindsay Price. The two are seen checking in at LAX and taking part in some PDA - giving each other quick kisses - before heading to their terminal.
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Plastic Surgeon Dr Robert Rey, the star of "Dr 90210" takes his wife and her parents to dinner at BOA in Los Angeles. Dr Rey took the opportunity to promote his new book "Body by Rey" before passionately kissing his wife.
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Tom Cruise and Katie Holmes hug and kiss as they celebrate Tom's 49th birthday with friends and family in South Beach.
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Christina Aguilera takes her son Max on a shopping spree at the children's boutique La La Ling in Los Feliz. Aguilera bends down to give her cute son a kiss on the cheek!
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Jessica Alba and husband Cash Warren enjoy a kiss and a cuddle after leaving the Spider Club.
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Seal says farewell to supermodel wife Heidi Klum before heading to the airport to jet off for work.
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Tori Spelling, who is pregnant, and husband Dean McDermott share a smooch!
Be sure to check out our other slideshow on celebrity parent PDA offenders.