35 Years of People

All-Time Hollywood Couples

Tim & Faith! Posh & Becks! Ashton & Demi! Find out just what makes these married duos beat the odds

MICHELLE & DAVID, 15 YEARS

Pfeiffer, who has been married to TV producer Kelley, 53, for 15 years, laughs off experts who advocate keeping the mystery alive between partners. "Can you imagine, for 20 years, trying to stay mysterious in your relationship?" she asks. Instead, the actress, 51, credits the success of her marriage to being completely open: "One of the reasons my marriage is successful…is that we are completely comfortable around each other and don't feel the need to hide aspects of ourselves."