Victoria Beckham is making the most of her time in Miami ahead of her eldest son Brooklyn Beckham's wedding to Nicola Peltz. On Monday night, the fashion designer and her parents came together to celebrate her niece Tallulah's 20th birthday - and were accompanied by her son Cruz Beckham and sister Louise Adams.MORE: Why Elton John won't be attending godson Brooklyn Beckham's wedding to Nicola Peltz"Happy birthday @tallulahxmay.