Rochelle Humes has sparked considerable discussion online after posting a photo featuring Graham Quinn, the ex-husband of Myleene Klass, alongside her husband Marvin Humes during their recent holiday in Ibiza.

The former Saturdays singer, who is now 36 years old, showcased her toned physique in a striking red bikini in the album of holiday snaps shared on her Instagram account.

This trip was particularly special as it marked the couple’s 13th wedding anniversary, and the celebratory atmosphere was palpable in the images Rochelle shared.

Rochelle Humes has raised eyebrows after sharing a photo of Myleene Klass' ex-husband Graham Quinn (centre left) posing with her husband Marvin (left) in Ibiza on Monday

Among the photos was one of Marvin beaming next to Graham, who previously managed the band JLS, along with other friends, which quickly drew attention given the recent controversy surrounding Graham.

Just a week prior, Myleene Klass publicly accused Graham of infidelity, claiming he cheated on her with another celebrity during her birthday party.

Myleene’s revelation reignited interest in her tumultuous relationship with Graham, which ended after a brief marriage in 2011.

In her account, Myleene described a shocking moment when she walked in on Graham and a female celebrity, who she chose not to name, engaging in a compromising situation on the balcony of her home.

The unnamed woman was said to have built a reputation based on “family values,” adding a layer of intrigue to the unfolding drama.

Despite the serious allegations, Rochelle and Marvin appeared to show their support for Graham during their holiday, which raised eyebrows among fans and followers alike.

In her Instagram post, Rochelle reflected on the trip, writing, “72 hours in Ibiza… sun, sea, belly laughing, questionable dance moves, and spicy margs that tasted better than our decisions.”

She continued, “Our annual non-negotiable child-free trip with old friends who remind you who you are. Sore heads all around today, but ironically my battery feels recharged! Just what I needed. Happy 13 my love @marvinhumes what a way to celebrate.”

Rochelle’s words conveyed a sense of joy and camaraderie, but the inclusion of Graham in their holiday photos complicated the narrative, especially in light of Myleene’s recent accusations.

Graham, who is now 47, started dating Myleene in 2001 after they met when he worked as a security guard for her pop group Hear’Say.

The couple welcomed two daughters, Ava, now 17, and Hero, 14, and tied the knot in 2011 after a decade-long relationship.

Graham found himself back in the public eye last week after his ex Myleene accused him of cheating on her with another celebrity - at her own birthday party (pictured in 2011)

However, their marriage was short-lived, separating just six months later amidst allegations of Graham’s infidelity.

Myleene has since reflected on her relationship with Graham, recalling the painful moment of discovering him with another woman on her birthday.

In an interview on Paul Brunson’s podcast, “We Need To Talk,” she recounted the shocking incident, stating, “I walked in on him with a famous person on my birthday on a balcony.”

Myleene’s decision not to disclose the identity of the woman involved only adds to the speculation and public interest surrounding the affair.

She described how Graham and the unnamed celebrity tried to downplay the situation, claiming it wasn’t what it appeared to be.

However, Myleene’s disbelief was evident as she recounted, “I’m in my house, it’s my party. They weren’t having sex, but they were unzipping each other.”

The emotional fallout from the incident was significant, prompting Myleene to expel all guests from her party, including Graham’s parents, who had traveled from Ireland.

In the aftermath, Graham attempted to justify his actions by attributing them to intoxication, a defense that Myleene found inadequate.

Reflecting on the situation, she acknowledged the warning signs, admitting that the incident was a “pretty big red flag,” yet she still went through with their wedding later that year.

Myleene’s candidness about her struggles and the public nature of her relationship with Graham resonates with many who have experienced similar heartbreaks.

She expressed her feelings of betrayal, saying, “My life literally just broke apart very, very publicly, and their life, they’ve managed to continue building a family brand on it.”

This statement highlights the disparity between Myleene’s personal turmoil and the seemingly unaffected lives of Graham and the unnamed celebrity.

As a mother, Myleene has had to navigate difficult conversations with her daughters regarding their father’s actions.

She stated, “My children have asked enough questions, and it’s never been a case of laying out my stall now. It’s got to be as and when.”

The challenges of co-parenting and maintaining a sense of normalcy for her children while dealing with public scrutiny have been significant hurdles for Myleene.

In light of Rochelle’s holiday post, many have questioned the appropriateness of her association with Graham, especially given the recent allegations.

The dynamics of celebrity friendships can often blur the lines between personal loyalty and public perception, creating a complex web of relationships.

Rochelle and Marvin’s support for Graham, despite the cheating allegations, has sparked debate among fans and followers, with some expressing disapproval while others defend their right to maintain friendships.

The situation underscores the often complicated nature of celebrity relationships, where personal loyalties can clash with public opinion.

The star appeared to show her support for Graham as she included a snap of her JLS star husband grinning beside him, who used to manage the band, and their other pals

As the conversation continues to unfold, both Rochelle and Myleene have found themselves at the center of a media storm, each navigating their paths through the complexities of love, betrayal, and friendship.

While Rochelle celebrates her long-standing marriage to Marvin, Myleene is left to reconcile her past with Graham, reflecting on the lessons learned from their tumultuous relationship.

The contrasting experiences of these two women serve as a reminder of the challenges faced by those in the public eye, where personal lives are often scrutinized under a magnifying glass.

In the end, Rochelle’s holiday snap may have been intended as a lighthearted celebration of friendship and love, but it has inadvertently opened the door to a deeper discussion about fidelity, loyalty, and the complexities of human relationships.

As both women move forward, it remains to be seen how this situation will impact their lives and careers, as well as their relationships with those around them.

The unfolding drama serves as a poignant reminder that behind the glitz and glamour of celebrity life, there are real emotions and struggles that resonate with many.

Ultimately, the story of Rochelle Humes, Graham Quinn, and Myleene Klass is one of love, loss, and the enduring quest for happiness amidst the chaos of life in the public eye.