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Seven months after a PDA-filled night in New York, Ashlee Simpson and Pete Wentz step out as a couple on April 30, 2007 to host an opening-night bash at Wentz's new Big Apple lounge, Angels amp Kings. "I think the first day that we met that we were attracted to each other," Simpson tells PEOPLE. But the attraction ends four years later, when Simpson, 26, files for divorce from her longtime love, 31.
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All hail Ashlee and Pete! The pair have a crowning moment at Simpson's prom-themed birthday party in L.A. on Oct. 6, 2007. "We're past the honeymoon period," Wentz tells PEOPLE weeks before the celebration. "The truth is, it's crazy to be able to kiss your best friend. It's just a really awesome thing."
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A LITTLE SPARKLE
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BUMP IN THE ROAD
And baby makes three! Following weeks of speculation, the newlyweds confirm they're expecting their first child. "It's fun to have somebody that I love to do this with," Simpson tells ET Canada of her supportive husband, before showing off her baby bump at the MTV Video Music Awards on Sept. 7, 2008. The couple welcome son Bronx Mowgli on Nov. 20.
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A SOLID SMOOCH
What relationship trouble? Amid speculation that their year-old marriage is on the rocks, Simpson and Wentz share a steamy smooch on stage at the MTV Australia Awards on March 27, 2009. "Sorry, we haven't seen each other in a while," Wentz told the crowd. "We're going to go and find some quiet time and fornicate somewhere."
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With 7-month-old Bronx in tow, the Simpson-Wentzes are the picture of happiness at the Time for Heroes Celebrity Carnival in L.A. on June 7, 2009. "[Being married] made me able to share more," Simpson tells Women's Health. "Now Pete and Bronx come first. It has humbled me."
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"The great thing about being part of the Simpson family is that they're really welcoming – you feel right at home right away," Wentz, here with big sis-in-law Jessica during his wife's 25th birthday celebration in Las Vegas on Oct. 3, 2009 has said.
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UP AND AWAY
Whee! The proud parents take then-11-month-old Bronx on a magical trip to Disneyland in Anaheim, Calif., on Oct. 29, 2009. "I realized I'd found my soul mate, and it made me want to be a better person," Wentz tells Details. "Now, with the baby, I want to be the best dad I can be."
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They're full of cheer! The happy couple stays linked in during a low-key date night, watching a New York Knicks game at Madison Square Garden on Feb. 3, 2010.
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Wentz ditches his usual jeans and hoodies for a suit, supporting his wife as she makes her Broadway debut in Chicago. Months later, a smiley Simpson takes a front-row seat at her hubby's Clandestine Industries fashion show in New York City.
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OH HAPPY DAY
Bronx, 22 months, gets the giggles while goofing off with his parents at an Encino, Calif., playground on Sept. 26, 2010. "They're fantastic parents – Pete says she's a great mom, and she says he's a great father," a source tells PEOPLE after Simpson files for divorce. "It's about Bronx's care and well-being and happiness for them."
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The couple goes for a final coffee run in Los Angeles on Feb. 4, 2011, before news of their divorce goes public. "They're on very friendly terms and speaking – it's fine," a source tells PEOPLE. "They've just grown apart. They've been growing apart for quite some time."