1Taylor Swift and Tom Hiddleston
Newspix//Getty ImagesThe Hiddleswift romance of summer 2016 sets the bar high. Nearly every aspect of their relationship was documented after an infamous dance-off at the Met Gala in May. Tom and Taylor cuddled on cliffs in Rhode Island, met each other's families, and threw the most insane Fourth of July bash ever.
2Taylor Swift and Tom Hiddleston
Newspix//Getty Images But by September, Swift was off in a "Getaway Car." Years later, the actor still has to fend off questions about their fun in the sun.
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3Zac Efron and Michelle Rodriguez
Splash NewsYou may have forgotten the celebrity romance between Zac Efron and Michelle Rodriguez in summer 2014. Reportedly, the short-lived couple called it quits because Rodriguez couldn't forget her ex, Cara Delevingne. So long, horseback-riding-in-the-ocean photo-ops.
4Justin Bieber and Hailey Baldwin
Alessio Botticelli//Getty ImagesThe summer of 2018 gifted the world with three high-profile summer romances. Two of the couples are still together, including Justin and Hailey.
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5Justin Bieber and Hailey Baldwin
James Devaney//Getty ImagesThe pair officially kicked off their relationship in July, spotted everywhere, sometimes mugging for the paparazzi and other times crying. Mere days after Baldwin wiped ex Shawn Mendes from her Instagram, Bieber proposed.
6Justin Bieber and Hailey Baldwin
Neil Mockford//Getty ImagesHere's hoping the summer of 2019 ends with a public spectacle of a wedding.
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7Ariana Grande and Pete Davidson
Gotham//Getty ImagesPete and Ari's relationship, from May to October 2018, was a walking pop culture reference. Without their summer love, would we have BDE, Piggy Smallz, or "Thank U, Next"? And for this relationship, we're so thankful.
8Ariana Grande and Pete Davidson
Robert Kamau//Getty ImagesEven though this ultra-public pair didn't last, Davidson rebounded just as openly with Kate Beckinsale months later.
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9Shawn Mendes and Camila Cabello
James Devaney//Getty ImagesOne of the latest over-the-top celeb relationships is between Shawn and Camila. After collaborating on the song "Señorita" and showcasing some major chemistry in the music video, the two started dating.
10Shawn Mendes and Camila Cabello
Gotham//Getty ImagesThey quickly graduated from the "just friends" or "duet partners only" phase of their relationship to making out in public. Only time will tell if this couple outlasts the summer.
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11Selena Gomez and The Weeknd
Taylor Hill//Getty ImagesTechnically, Selena and The Weeknd started dating at the beginning of 2017. However, their relationship truly began to heat up during the summer.
12Selena Gomez and The Weeknd
Taylor Hill//Getty ImagesThey kissed on the Met Gala red carpet, imprinted themselves all over the other's social media, and were back to their respective exes (Bieber, Bella Hadid) by fall.
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13Selena Gomez and The Weeknd
Gotham//Getty ImagesHowever, The Weeknd seemingly took to #SadBoyFall quite naturally.
14Tom Cruise and Katie Holmes
Kevin Winter//Getty ImagesYes, TomKat was married for six years and had a child together. But, they are most fondly remembered for the insane period that was summer 2005.
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15Tom Cruise and Katie Holmes
SGranitz//Getty ImagesJumping on Oprah's couch. Getting engaged after eight weeks. Making out at movie premieres. Holmes converting to Scientology. All of this happened within ONE MONTH.
16Tom Cruise and Katie Holmes
Pascal Le Segretain//Getty ImagesIn many ways, Tom and Katie set the mold for what a high-profile celebrity couple looks like.
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17Justin Bieber and Sofia Richie
Jun Sato//Getty ImagesBefore finding love with Hailey and Scott Disick, respectively, these two had quite the relationship from August to September 2016.
18Justin Bieber and Sofia Richie
BG003/Bauer-Griffin//Getty ImagesThere were public dates, professions of love on IG, and international vacations. But once Selena Gomez started drama in the comments section, this couple was headed for a split.
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19Bella Thorne and Scott Disick
starzfly/Bauer-Griffin//Getty ImagesMay you never forget the 10 days in May 2017 when Scott Disick and Bella Thorne entered into a highly-publicized relationship, before quickly exiting.
20Kate Hudson and Alex Rodriguez
NYDailyNews/RETIRED//Getty ImagesIn the summer of 2009, Kate Hudson became a permanent fixture at Yankee Stadium. She cheered Alex Rodriguez on from the stands all summer long ahead of the team's World Series win in November. The following month, the couple threw in the towel.
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