It’s a dress whodunit.

After Brooklyn Beckham posted an explosive missive against his famous family, fans are taking a magnifying glass to all aspects of his wedding to Nicola Peltz, which was the source of major drama.

As part of his diatribe, the 26-year-old confirmed that there was a rift between his bride and his mother over whether the fashion designer would create her wedding dress.

“My mum cancelled making Nicola’s dress in the eleventh hour, despite how excited she was to wear her design, forcing her to urgently find a new dress,” Brooklyn claimed.

Brooklyn Beckham recently took to Instagram to air out his grievances with his parents. Getty Images for The Met Museum/Vogue

Nicola and her stylist told Vogue that her Valentino gown was a year in the making.

Brooklyn claimed that his mother, Victoria, told Nicola at the “eleventh hour” that she wouldn’t be able to make her gown. Getty Images for Vogue

However, fans recalled that Nicola and her stylist Leslie Fremar told Vogue at the time that Peltz’s custom Valentino wedding look “is the culmination of a year’s worth of conversations with Valentino creative director Pierpaolo Piccioli’s team, two trips to the Rome HQ, and two US fittings.”

“It was the ultimate couture experience,” Fremar said of choosing between sketches, fabrics and embroideries.

Peltz called the choice of designer “a no-brainer” in the interview as well.

While wedding gowns, especially custom couture, have been known to take quite a bit of time, fans weren’t convinced that a year constitutes the “eleventh hour.”

Though the Beckham family were previously very close, there has been friction since before Beckham’s 2022 wedding. Instagram/@victoriabeckham

Brooklyn accused his family of constantly trying to “control the narrative.” AFP via Getty Images

“You cannot get a CUSTOM Valentino Haute Couture wedding gown in the eleventh hour. I don’t care who you are-she had that dress planned for months and months. Nicola’s stylist said that she went to 2 fittings in Rome & 2 in the US, her stylist described the process of choosing sketches, fabrics etc-that is NOT an 11th hour process,” tweeted one.

Another sarcastically wrote, “Eleventh hour one year rescue from Valentino!” and a third asserted, “girl omg, you understand that a Valentino custom wedding dress is no back up plan or à just in case situation right? when you make a claim that you had to scramble to get a new dress at the eleventh hour figure or speech or not it implies they had no options a year.”

One summed it up, saying, “I guess billionaires have a different definition of eleventh hour.”

Page Six Style reached out to Vogue and Valentino for comment but has yet to receive a response.

Peltz did wade into the conversation herself after fans questioned why she switched up on the designer, telling Variety in 2022, “I was going to [wear a Victoria Beckham dress] and I really wanted to, and then a few months down the line, she realized that her atelier couldn’t do it, so then I had to pick another dress.”