The actress, 26, shared a picture of the creation on her Instagram stories as she marked another birthday too, her best friend Justin Campbell's.
WATCH: Nicola Peltz and Victoria Beckham dancing together
"My boys," she wrote alongside the picture, which shows the two birthday boys posing with their cakes. Whilst James' was just decorated in a leopard print design, Nicola went all out with Brooklyn's cake, which was cooking-themed.
The 22-year-old's creation featured an edible pan, a pot, a wooden spoon and even a white mixing bowl. Judging by the cake's design, it seems that David and Victoria's eldest son has inherited his dad's love for food and cooking!
Nicola and Brooklyn are currently in Los Angeles, whilst the rest of the Beckham family are living at their Miami home.
Nicola treated her "boys" to some impressive cakes
Despite not being able to celebrate with his parents and siblings, Nicola made sure he knew how much he was loved by shared a romantic message on her Instagram.
"Happy birthday baby, you're such an incredible person and your heart is pure gold. I love you so so much Brooklyn," she wrote alongside a picture of them hugging on a beach.
The birthday boy was quick to react, telling his fiancée: "Love you so much Nicola x my other half."
Brooklyn celebrated his special day with Nicola's best friend Justin
The couple began dating in 2019 and got engaged in July 2020 with Victoria sharing the news on Instagram with a photo of the couple at the Beckhams' country home.
She captioned it: "The MOST exciting news! We could not be happier that @brooklynbeckham and @nicolaannepeltz are getting married! Wishing you so much love and a lifetime of happiness. We all love you both so much x @Davidbeckham @romeobeckham @cruzbeckham."