Christie Brinkley & Billy Joel
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When he wrote the song Uptown Girl Billy Joel wasn't yet dating his future wife, actress/supermodel Christie Brinkley, but he reworked the song to pay tribute to her and gave her a starring role in the music video.
Gwyneth Paltrow & Chris Martin
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These two seemed like an ideal pair; they even looked alike. So after 10 years of marriage and the birth of Apple and Moses, it was a shock when their "conscious uncoupling" was announced.
Jessica Biel & Justin Timberlake
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She may have been his childhood crush, but there was a long line of celebrity girlfriends (like Carmeron Diaz and Britney Spears) before Justin Timberlake settled down with actress/model Jessica Biel in 2012.
Photo: Everett Collection
Kate Hudson & Chris Robinson
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When glamorous 21-year-old starlet Kate Hudson married grungy Black Crowes singer/musician Chris Robinson, it definitely added an edge to her girl-next-door image.
Kate Hudson & Matt Bellamy
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Obviously, a marriage (and subsequent divorce) with Chris Robinson didn't turn her off rockers. Kate Hudson was ready to marry Muse frontman Matt Bellamy, the father of her second child, but they ended their engagement in 2014.
Photo: Jen Lowery/Splash News/Corbis
Josh Groban & Kat Dennings
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You might think singer/songwriter Josh Groban serenades his TV-star girlfriend Kat Dennings all the time, but in 2014 he told Entertainment Tonight: "It always seems like a cheesy move on my part."
Photo: Helga Esteb
Eddie Van Halen & Valerie Bertinelli
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It was a shock when the seemingly wholesome 20-year-old actress Valerie Bertinelli wed wild rocker Eddie Van Halen in 1981; Bertinelli even admits drug abuse was part of their marriage. They split up in 2007.
Jack Antonoff & Lena Dunham
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Together since a blind date in 2012, Bleachers lead singer/songwriter Jack Antonoff and Girls' actress/producer Lena Dunham pledged not to wed until gay marriage was legal — which happened last June. It appears the couple is in no hurry to tie the knot.
Photo: Helga Esteb
Heather Locklear & Richie Sambora
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With two rockstar ex-husbands, Heather Locklear obviously has a wild side, but it was how her marriage to Richie Sambora reportedly ended that was particularly shocking; Sambora's rumored affair with Locklear's friend Denise Richards.
Alicia Witt & Ben Folds
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It's not unusual for these actor/rockstar pairs to cross into each other's territories, as in the case of actress Alicia Witt who released her first album last year, produced by former boyfriend Ben Folds.
Photo: Ga Fullner
Robin Thicke & Paula Patton
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Between the Blurred Lines lawsuit and his marriage ending, 2014 was a tough year for Robin Thicke. His public attempts to woo back his wife, actress Paula Patton, through song, were really more embarrassing than romantic.
Josh Kelley & Katherine Heigl
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Unlike many actor/musician couples, Katherine Heigl and husband Josh Kelley seem to have a solid relationship; but it's rumored that when they were dating Kelley wouldn't commit until Heigl threatened to go out with notorious womanizer John Mayer.
Pamela Anderson & Kid Rock
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When an actress gets together with a rockstar, we expect lots of drama. There's really no better example of drama than the stormy on-again-off-again relationship between former Baywatch babe Pamela Anderson and her ex-husband, gritty singer/songwriter Kid Rock.
Photo: Jaguar PS
Marcus Mumford & Carey Mulligan
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It seems that singer Marcus Mumford and actress Carey Mulligan were meant to be. They were childhood pen pals who lost touch, grew up to become celebrities, met, and eventually married.
Zooey Deschanel & Ben Gibbard
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Last year when Death Cab for Cutie frontman Ben Gibbard released Kintsugi, his first album since divorcing actress Zooey Deschanel, he admitted that she had inspired some of the material but wouldn't specify which tracks.
Fergie & Josh Duhamel
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When actor Josh Duhamel met future-wife Fergie on the set of his show Las Vegas, he apparently won her over with a simple "You're hot." With his looks, he really dosn't need to say a lot.