There may be a bend in the Beckham family.

While David Beckham and Victoria Beckham’s four kids—Brooklyn, 26, Romeo, 22, Cruz, 20, and Harper, 13—have enjoyed a tight bond over the years, speculation of a rift between the two older siblings has grown after Brooklyn and his wife Nicola Peltz Beckham were absence from recent family outings.

In an April 2 Instagram Stories post, Romeo made no mention of his brother and sister-in-law when he shared a photo of himself and his family—as well as girlfriend Kim Turnbull and Cruz’s partner Jackie Apostel—taken at a March 30 celebration for his dad’s upcoming 50th birthday.

“Family is everything,” he wrote on the post, tagging each person’s Instagram handle. “Love you all.”

Neither Brooklyn or Nicola appeared in other photos from the party, prompting one fan to question the couple’s whereabouts.

“Where is Brooklyn?” the Instagram user wrote on David’s page. “Strange…”