2020 saw some famous celebrity couples getting hitched while others, unfortunately, had to call it quits on their relationship. From Vanessa Hudgens' breakup with decade long boyfriend Austin Butler to Pamela Anderson's infamous 12-day long marriage, several long-term celebrity relationships witnessed their end this year, either due to the lockdown stress or other reasons. The year robbed fans of some cute millennial couples they had been rooting for including Cole Sprouse-Lily Reinhart and Dove Cameron-Thomas Doherty, leaving them disappointed. Here are ten of the biggest celebrity breakups of 2020, some of which we're still not over

Vanessa Hudgens and Austin Butler: After a 9-year long relationship, former Disney stars Vanessa Hudgens and Austin Butler decided to part ways in January, 2020 due to long-distance issues. The duo had met on the sets of High School Musical in 2005 for the first time.

Cole Sprouse and Lily Reinhardt: 'Riverdale' co-stars Cole and Lily, met on the sets of the show and their onscreen romance blossomed into off-screen love, but the fan-favourite couple announced their split in March of this year, after dating for over two years.

Rihanna and Hassan Jameel : Popstar Rihanna had been dating billionaire Hassan Jameel for three years but reportedly the duo broke up, earlier this year, because they couldn't make it work long-term and currently, Rihanna is being linked with her best friend A$AP Rocky.

Dove Cameron and Thomas Doherty : Actress Dove Cameron confirmed on her social media earlier this month that she had parted ways with beau Thomas Doharty after a relationship of four years, sending their fans in shock. They were co-stars on Descendants 2 and still remain on amicable terms.

Miley Cyrus and Cody Simpson :After splitting up with husband Liam Hemsworth, Miley Cyrus got together with long-time best friend, Cody Simpson. But after less than a year of being together, the pair called it quits in August, as clarified by Miley on her instagram live.

Demi Lovato and Max Ehrich: Singer Demi Lovato experienced dating and getting engaged to breaking up all within less than a year with actor Max Ehrich. Their relationship ended up on messy terms as Demi called off their two-month long engagement in September, 2020.

Scott Disick and Sofia Richie: Keeping up with the Kardashians star and ex-husband of Kourtney Kardashian, Scott Disick had been dating 15 years younger Sofia Richie for three years before the fashion designer herself called it off permanently in August of this year.

Megan Fox and Brian Austin Green: In November, 2020 Megan Fox, officially filed a divorce from her estranged husband, Brian Austin Green after a marriage of over nine years. There were reports of the two getting separated in 2019 and Megan has even moved on with rapper Machine Gun Kelly.

Ashley Benson and Cara Delevingne: The actor-model duo didn't confirm their relationship until 2019, but they had reportedly started dating after meeting on the sets of movie "Her Smell" in 2018. However, the two broke up in May of this year and Ashley is speculated to be dating G-Eazy now.

Vanessa Hudgens and Austin Butler: After a 9-year long relationship, former Disney stars Vanessa Hudgens and Austin Butler decided to part ways in January, 2020 due to long-distance issues. The duo had met on the sets of High School Musical in 2005 for the first time.