Nicola Peltz sweetly shared some snaps to celebrate her sister-in-law Harper Beckham's 12th birthday, which have left some fans rather confused.The actress, who married Brooklyn Beckham in a lavish ceremony back in April 2022, took to Instagram to wish her sister-in-law a happy birthday, showcasing a number of photos of the two together. One snap saw Nicola and Harper showing off their matching tattoos, each having had a small butterfly inked onto their bodies.