Brad Pitt and Jennifer Aniston's breakup in 2005 surprised many fans due to their seemingly perfect relationship, which had started in 1998.

The public's emotional investment in their love story made the split feel like a personal loss for many.

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The breakup of Brad Pitt and Angelina Jolie in 2016 was equally shocking, especially since they had built a family together with six children.

Their split was further complicated by legal battles over custody and financial issues, making it one of the most publicized divorces in Hollywood.

Kristen Stewart and Robert Pattinson's relationship, which blossomed during the filming of the "Twilight" series, ended in 2013 after Stewart's infidelity came to light.

Fans were devastated not only by the breakup but also by the public nature of the scandal.

The breakup of Lady Gaga and Taylor Kinney in 2016 was heartbreaking for fans who believed in their deep connection.

Gaga described Kinney as her soulmate, and their split raised questions about the pressures of maintaining relationships in the public eye.

Justin Bieber and Selena Gomez's on-again, off-again relationship captivated fans for years.

Their final breakup in 2018 left many feeling sad as they had grown up together, and their relationship was often compared to a modern love story.

The divorce of Kim Kardashian and Kanye West in 2021 shocked fans due to the couple's high-profile status and their four children.

The split highlighted the challenges of balancing a public life with personal struggles.

Demi Lovato and Wilmer Valderrama's breakup in 2016 was particularly poignant as they had been together for six years, and Lovato often spoke about Valderrama's support during her struggles with mental health.

Ben Affleck and Jennifer Garner's divorce in 2015 was surprising because they had been together for over a decade and had three children.

Their split was characterized by a commitment to co-parenting, which resonated with many fans.

The end of Miley Cyrus and Liam Hemsworth's marriage in 2019 was shocking, especially after their long history together.

Their relationship spanned nearly a decade, and fans were saddened to see it come to an end so quickly after their wedding.

Britney Spears and Kevin Federline's tumultuous relationship ended in 2006, and their breakup was marked by drama and legal battles over custody of their two children.

Fans were left feeling sympathy for Spears during a challenging time in her life.

The split between Chris Pratt and Anna Faris in 2017 surprised fans, as they had always seemed like a fun-loving couple.

Their amicable breakup and co-parenting of their son Jack made the situation bittersweet for fans.

The divorce of Megan Fox and Brian Austin Green in 2020 was unexpected, especially given their long history together and the birth of their three children.

The couple's journey from young love to parents resonated with many fans, making the split feel personal.

The relationship between Zayn Malik and Gigi Hadid has been marked by ups and downs, with their breakup in 2021 shocking fans due to the couple's strong bond and the birth of their daughter shortly before their split.

The breakup of Ariana Grande and Pete Davidson just months after their engagement in 2018 was surprising due to the whirlwind nature of their romance.

Their split was reportedly due to the pressures of fame and mental health challenges.

Jennifer Aniston and Brad Pitt's split also highlighted the phenomenon known as "celebrity culture," where fans form deep emotional connections with public figures, often leading to feelings of loss when those relationships end.

Research in psychology suggests that celebrity breakups can trigger feelings of grief in fans, similar to those experienced after the loss of a close friend.

This phenomenon is known as "parasocial relationships," where individuals feel connected to celebrities despite never having met them.

The science of attachment theory explains why fans may feel so affected by celebrity breakups.

Attachment styles formed in childhood can influence how individuals relate to others, including celebrities, leading to heightened emotional responses to their personal lives.

The social media age has amplified the impact of celebrity breakups, allowing fans to witness and react to these events in real-time.

This constant connection can intensify feelings of loss, as fans feel they are part of the celebrities' lives.

Neuroimaging studies show that the brain's reward system is activated when individuals engage with celebrities, similar to the feelings experienced in close relationships.

This can lead to a sense of betrayal or sadness when a celebrity couple breaks up.

The phenomenon of "celebrity couple envy" can lead fans to idealize relationships, creating unrealistic expectations for their own lives.

This can result in emotional distress when real-life relationships do not measure up to the perceived perfection of celebrity romances.