Valentine's Day is around the corner, and we're gearing up with a look back at some of the hottest celebrity PDA pictures. From sweet kisses and romantic embraces to vacation cuddling and red-carpet cuteness, there are plenty of ways stars show their love. Click through to see Diane Kruger and Joshua Jackson, Rachel McAdams and Michael Sheen, Tom Cruise and Katie Holmes, Brad Pitt and Angelina Jolie, and so many more couples share their affection. Also, don't forget to check out all of our Valentine's Day coverage across the network for great gift ideas and sweet treats! View Slideshow ›