Nicola Peltz posts about her relationship with Harper Beckham using the term “dream sister,” according to multiple outlets. She thanks her brother Will for “officially giving me my dream sister,” and the posts reference that she previously used similar language for Brooklyn Beckham’s sister, calling her a “dream little sister.” The reporting frames these messages within an ongoing public disagreement between Peltz and Brooklyn Beckham and members of Brooklyn’s family. One outlet notes that the broader feud has been active since Brooklyn shared a critical Instagram post in January. The sources describe the “dream sister” wording as part of the ongoing exchange of messages within the family, with no additional details provided by all outlets beyond the terms used and the existence of the dispute. Overall, the coverage centers on Peltz’s social media remarks toward Harper Beckham and their timing amid continuing tension involving Brooklyn Beckham and his family.