10 YEARS
adonna, 49, and Guy Ritchie, 39 who got married at Scotland's Skibo Castle in Dec. 2000.
16 YEARS
Tom Cruise, 45, and Katie Holmes, 29 tied the knot at a castle in Bracciano, Italy.
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12 YEARS
Angelina Jolie, 32, and Brad Pitt, 44, have said they'll "consider tying the knot when everyone else in the country who wants to be married is legally able."
5 YEARS
Reese Witherspoon, 32, met current beau Jake Gyllenhaal, 27, while filming their flick Rendition. They didn't appear publicly as a couple until Witherspoon's divorce from ex Ryan Phillippe finalized
12 YEARS
Beyonce, 26, and Jay-Z, 38, have collaborated on hits "Bonnie & Clyde," "Crazy in Love," "That's How You Like It, "Deja Vu" and "Upgrade U."
12 YEARS
Milo Ventimiglia, 30, revealed his crush to his Heroes co-star Hayden Panettiere, 18, "the minute she broke up with Stephen Colletti,"
8 YEARS
Scarlett Johansson, 23, went to Vancouver last September - the hometown of beau Ryan Reynolds, 31.
25 YEARS
When Michael Douglas, 63, met wife Catherine Zeta Jones, 38, he said, "I'd like to father your children." They now have two: Dylan Michael, 7, and Carys Zeta, 4.
15 YEARS
Demi Moore, 45, and Ashton Kutcher, 30, tied the knot in Sept. 2005.
13 YEARS
90210 alum Brian Austin Green, 34, and actress Megan Fox, 21, are engaged since2007