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    10 Rom-Com Pairings Who Had Serious Chemistry And 10 Who Were Not Convincing At All

    Not every pair of good-looking celebrities can actually convince an audience they have chemistry.

    What's the difference between a good rom-com and a bad one? I don't know about y'all, but for me, it's all about the chemistry!

    Even the corniest plot can turn into something wonderful when the feelings between the characters are palpable.

    Alternatively, a good story can be totally ruined when things between the main character and their main squeeze feel flat!

    So let's take a look at some examples of what I mean, shall we?

    WARNING: Some spoilers lie ahead for these classic rom-coms!

    1. Starting off on a high note, some couples really know how to give you romance with a bit of heat, like Kate Hudson and Matthew McConaughey as Andie and Ben in How to Lose a Guy in 10 Days.

    2. However, some pairs can only "sell it" until a more compelling character comes along, like Kristen Stewart and Mackenzie Davis as Abby and Harper in Happiest Season.

    3. Sandra Bullock and Ryan Reynolds knew how to make you root for an unlikely couple in The Proposal.

    4. On the other hand, some couples are just not believable by ANY stretch of the imagination — like Jennifer Lopez and Owen Wilson in Marry Me.

    5. Julia Stiles and Heath Ledger might as well have written a master class on chemistry, using their roles as Kat and Patrick in 10 Things I Hate About You as the lead example.

    6. While strangers meeting under unusual circumstances CAN be cute, Ashton Kutcher and Lea Michele as Randy and Elise in New Year's Eve was not.

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    New Line Cinema / Via

    I will take into consideration that in a multi-couple rom-com, you don't always get the development of characters and relationships you want. That said, this pairing felt like the most forced one in the whole film. The connection feels stale for two strangers who are falling for each other, with not enough of a hook to really make you understand why the two continue on beyond the elevator repair call.

    7. Ali Wong and Randall Park as Sasha and Marcus in Always Be My Maybe were absolutely incredible.

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    Netflix / Via

    Okay, I may be a sucker for the childhood-best-friends-to-soulmates trope, but there's no denying Sasha and Marcus are a pretty adorable couple in Always Be My Maybe. I love a couple that balances each other out, and with their past rapport, it skips a lot of the awkward beginning-of-a-relationship moments that can make bad chemistry between a rom-com couple all the more obvious. Plus, Keanu Reeves couldn't keep them apart, need I say more?

    8. Meanwhile, Kumail Nanjiani and Issa Rae portray a floundering couple better than a reconnecting one as Jibran and Leilani The Lovebirds.

    9. Lesser known actors can bring a romance to life, like Arye Gross and Eric Schweig as Henry and Pike in Big Eden.

    10. Whereas, sometimes, big names make it hard to believe the connection works, as seen with Matthew McConaughey and Sarah Jessica Parker as Tripp and Paula in Failure to Launch.

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    Paramount / Via

    The film's name ended up being some unfortunate foreshadowing due to the total lack of spark between these two leads. Also, by today's standard, the outdated premise feels like a thinly-veiled excuse to have these two in the same film, but nothing comes of it.

    11. But you can totally understand why they'd put Ryan Gosling and Emma Stone together as Hannah and Jacob in Crazy, Stupid, Love.

    12. On the other end of that spectrum, there was N O T H I N G between Hugh Grant and Drew Barrymore as Alex and Sophie in Music & Lyrics.

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    Hugh himself describes this as one of the two movies that caused Hollywood to "give me up." It wasn't that it was a bad film, but the connection between Alex and Sophie feels very basic and surface, and as whimsical as the movie's musical elements.

    13. Some rom-com characters hit you right in the feels, like Jennifer Garner and Mark Ruffalo as Jenna and Matty in13 Going On 30.

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    Columbia Pictures / Via

    Jennifer and Mark both have the distinction of being people who warm the hearts of many, so slotting them into this super-sweet story that feels perfect for every age group resulted in a hit. There's something to be said for a true, grounding connection that lets you be your geekiest self, so there's a lot to love from this movie and Jenna and Matty's connection.

    14. However, that was far from the case with Jessica Alba and Dane Cook as Cam and Charlie in Good Luck Chuck.

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    20th Century Films / Via

    Childhood magic that can seem charming in one movie totally doesn't work in another. Charlie's curse feels like a stretch, but when he wants to break the curse with Cam, it seems all the more unlikely the tiger will change his stripes, so to speak. 

    15. Salma Hayek and Matthew Perry prove convincingly that you can accidentally marry the right person as Alex and Isabel in Fools Rush In.

    Jon Tenney looking at Matthew Perry and Salma Hayek as they hold each other in "Fools Rush In"

    16. But some characters can feel like they're torturing you with their highs and lows, like Joseph Gordon-Levitt and Zooey Deschanel as Tom and Summer in (500) Days of Summer.

    17. Larenz Tate and Nia Long both said that the connection between them as Darius and Nina in Love Jones felt "natural" and it shined through on camera.

    18. Meanwhile, Will Smith and Eva Mendes ace comedy way better than romance as Hitch and Sara in Hitch and that's hard to come back from.

    19. Still, comedy and romance can work! Drew Barrymore and Adam Sandler melt your heart and make you bust out laughing as Julia and Robbie in The Wedding Singer.

    20. Lastly, in the midst of filming the first installment of The Kissing Booth, Joey King and Jacob Elordi went from friends to besties to ~together~ and ended up apart by the time of the second film — and it shows.

    You've read my picks, who are yours? What rom-com pairings do you love, and which do you think were a major mistake? Tell us in the comments below!