At the time, it was said that reason was the Church of Scientology not accepting Cruz, who was unwilling to give up her own Buddhist beliefs.

Tom Cruise reunited with ex-girlfriend Penelope Cruz on Wednesday.

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One keen shutterbug was quick to photograph Tom's lipstick-stained cheek as the Hollywood hunk gave a sly smile and slipped into his waiting car.

Tom, who tried to keep a low-profile wearing black Ray Ban sunglasses, is currently in London to film .

Tom Cruise hooked up with his ex-girlfriend Penelope Cruz ... -- he was caught leaving with a red lipstick stain on his cheek. dinner with Penelope wouldn't be hot enough -- so her pal Salma Hayek came along for the meal at Scott's in London.

No clue on who planted the smooch on Cruise -- both women were wearing red lipstick.

She and the actor have two children, son Leonardo and daughter Luna.

Following her relationship with Cruise, Penélope then went onto date Javier Bardem, who she married in 2010 and now has two children with whereas Tom went onto wed Katie Holmes, with who he shares eight-year-old daughter Suri.The 52-year-old actor and 40-year-old actress enjoyed a meal with Salma Hayek at Scott's restaurant in London.Cruise was spotted leaving the venue with a smile and kiss mark on his cheek, courtesy of either Cruz or Hayek's bright red lipstick.CLICK ON PHOTOS FOR GALLERY Tom Cruise left dinner with Penelope Cruz and Salma Hayek with a lipstick-stained cheek Penelope and Salma were pictured hugging and kissing each other on the cheek as they went their separate ways.The raven-haired beauties, who are often compared to each other for their stunning features, coordinated in dark outfits.Following their dinner, Cruise emerged from the eatery looking every bit swoon-worthy in sunglasses and with a bright red lipstick stain on his cheek.