Surprising celebrity couples you probably forgot dated

Remember when Penelope Cruz and Tom Cruise were inseparable or when Michael Buble was penning tunes about Emily Blunt? <p>Here, we take a walk down memory lane and recall some of Hollywood's most famous couples, who we totally forgot dated.
<h2>Ryan Reynolds and Alanis Morissette</h2> Before the Canadian heartthrob's marriages to Scarlett Johansson and Blake Lively, Ryan was engaged to Alanis in 2004. <p>The pair dated for four and a half years before parting ways in 2007. </p> Their breakup was the main inspiration behind the Juno award-winner's album <em>Flavours of Engagement</em>. <p>Photo: Getty Images
<h2>Michael Bublé and Emily Blunt</h2> The <em>Devil Wears Prada</em> actress and B.C. native dated for three years before they decided to call it quits in 2008. <p>Now, Michael is happily married to wife Luisana Lopilato, with whom he has two sons, while Emily tied the knot with John Krasinski in 2010. They are the proud parents of two daughters.</p> Photo: Getty Images
<h2>Penelope Cruz and Tom Cruise</h2> After his marriage to Nicole Kidman ended in 2001 and before he tied the knot with Katie Holmes in 2006, Tom Cruise enjoyed a long romance with Penelope Cruz. <p>The two stars hit it off while working on <em>Vanilla Sky</em> in 2000 and began dating shortly after filming wrapped. Despite splitting in 2004, Tom and Penelope have remained friends. </p> Photo: Getty Images
<h2>Brad Pitt and Gwyneth Paltrow</h2> So much has happened since this pair split in 1997 that it's easy to forget all about this beautiful blond duo. <p>Gwyneth and Brad were an item back in the mid-1990's after meeting in 1994 on the set of <em>Se7en</em>. Two years later, Brad popped the questioned, but the two broke off their engagement in 1997. </p> Photo: Getty Images
<h2>Jake Gyllenhaal and Reese Witherspoon</h2> After Reese split from her husband Ryan Phillipe in 2007, she found love with Jake on the set of the political thriller <em>Rendition</em>. After two wonderful years together, the lovebirds ended their relationship in 2009. <p>There is no bad blood between these former flames. In 2016, Jake only had good things to say about his ex, calling Reese, "one of the smartest, strongest people I've ever met."</p> Photo: Getty Images
<h2>Robert Downey Jr. and Sarah Jessica Parker</h2> RDJ and SJP were so infatuated with one another when they starred together in the 1984 film <em>Firstborn</em> that they started dating right after production wrapped. <p>Their relationship lasted seven years until they decided to go their separate ways in 1991.</p> Photo: Getty Images
<h2>Kieran Culkin and Emma Stone</h2> Sparks flew between the Academy Award winner and Macaulay Culkin's brother when they filmed the 2009 film <em>Paper Man</em>. Unfortunately, like a lot of Hollywood couples, their relationship fizzled out and the two broke things off in April 2011. <p>Photo: Getty Images
<h2>Tate Donovan and Jennifer Aniston</h2> Before her high-profile marriage to Brad Pitt, Jen came close to marrying actor Tate Donovan. Their romance started in 1995 before coming to an end three years later. <p>Photo: Getty Images
<h2>Matt Dillon and Cameron Diaz</h2> The two actors first started dating in 1995 but called it quits shortly after working together on the 1998 comedy <en>There's Something About Mary</em>. Matt later revealed to <em>Parade</em> magazine that he had never been in a long-term relationship before he met her. "I hadn't been in any deep emotional relationships," he told the media outlet. <p>Photo: Getty Images
<h2>George Clooney and Kelly Preston</h2> The reformed bachelor enjoyed many long-term relationships over the years before settling down with Amal Alamuddin in 2015. <p>Early in his career, he found love with Kelly Preston. They called it quits in 1989, right before the actress met her now-husband John Travolta. </p> Photo: Getty Images
<h2>Lance Armstrong and Sheryl Crow</h2> The former cyclist and GRAMMY award-winning singer were an item from 2003-2006 and even had plans to walk down the aisle. <p>While their relationship didn't work out, Lance still has great memories of their time as a couple. "It was a good ride. She’s a great lady," he told Howard Stern's SiriusXM radio show in March 2017. </p> Photo: Getty Images
<h2>Michael Keaton and Courteney Cox</h2> The brunette beauty and <em>Batman</em> star had a five and a half year relationship before amicably splitting in 1995. <p>Shortly after the breakup, the Golden Globe-winning actor told <em>People</em> magazine how wonderful his former girlfriend was. "It's the most important relationship I've ever had, and I think she's the most wonderful person I've ever met," he explained. </p> Photo: Getty Images
<h2>Moby and Natalie Portman</h2> While these two might seem like an unlikely pairing, the <em>Jackie</em> star and musician did briefly date in 2001. <p>Photo: Getty
<h2>Josh Groban and January Jones</h2> The singer and <em>Mad Men</em> star were loved-up for two and half years in the early 2000s. <p>Photo: Getty Images
<h2>Ryan Gosling and Sandra Bullock</h2> Despite their 16-year-age-gap, the two had instant chemistry when they met on the set of <em>Murder by Numbers</em> in 2002. However, their romance was short lived and the pair cut ties in 2003. <p>Photo: Getty Images
<h2>Keira Knightley and Jamie Dornan</h2> Yes, the <em>Love Actually</em> star and <em>Fifty Shades of Grey</em> hunk were once a thing! The pair first met on a photoshoot in 2003 and went steady for two years before they parting ways in 2005. <p>Photo: Getty Images
<h2>Chris Evans and Jessica Biel</h2> Before Jessica became Mrs. Timberlake, she had a very long-term relationship with Captain America. The pair were together from 2001 to 2006 and during that time starred alongside each other in two films <em>Cellular</em> and <em>London</em>. <p>Photo: Getty Images
<h2>Seal and Tyra Banks</h2> The British crooner and supermodel coupled up in 1996. They made only one public appearance together as a pair, here at the Essence Awards, but broke up shortly thereafter. <p>Photo: Getty Images
<h2>Will Smith and Tyra Banks</h2> Speaking of Tyra, the model had another short-lived romance with Will Smith in the '90s. The duo dated for a year after Tyra guest-starred on the rapper's hit sitcom <em>Fresh Prince of Bel-Air</em>. <p>Photo: Getty Images
<h2>Keifer Sutherland and Julia Roberts</h2> The <em>Flatliners</em> co-stars announced their engagement in Aug. 1990 and planned to tie the knot on June 14, 1991. However, Julia became a runaway bride when she called off her wedding to the Canadian actor three days before she was set to walk down the aisle. <p>Photo: Getty Images
<h2>Justin Timberlake and Cameron Diaz</h2> Justin and Cameron were madly in love for four years before calling time on their relationship in 2007. Now both happily married to other people, Jessica Biel and Benji Madden, respectively, the two have remained friends and starred in two films together, <em>Shrek The Third</em> and 2011's <em>Bad Teacher</em>. <p>Photo: Getty Images
<h2>Jake Gyllenhaal and Kirsten Dunst</h2> Jake was in a serious relationship with Kirsten before he romanced Reese Witherspoon and Taylor Swift. The pair first got together in 2002 after being introduced by Jake's sister Maggie Gyllenhaal. Unfortunately, their romance fizzled out in 2002. <p>Photo: Getty Images
<h2>Liam Neeson and Helen Mirren</h2> Talk about an A-list pair! Fans might be surprised to know that the two award-winning actors were once an item. Their love story started on the set of 1981's <em>Excalibur</em>. <p>They remained an item for four years before separating in 1984. Since their split, Helen has reflected on her wonderful relationship with the Iris actor, admitting that she fell deeply for him. "We loved each other. It was difficult to let go," she exclaimed. <p>Photo: Getty Images
<h2>Matthew McConaughey and Janet Jackson</h2> Rumours that Matthew and Janet had a brief fling in 2002 swirled for years until the beautiful singer-songwriter finally confirmed that she did indeed date the Oscar winner. <p>Photo: Getty Images
<h2>Enrique Iglesias and Sofia Vergara</h2> Before the singer found love with Anna Kournikova, Enrique and Sofia Vergara were a red hot couple in the mid-to-late 90s. <p>Photo: Getty images
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