Zara Tindall opted for an understated festive look with the ultimate party trousers on Thursday night as she hosted an exclusive event alongside her close friend television presenter Natalie Pinkham at Ixchel, a luxe Mexican restaurant in London. Princess Anne 's daughter, 43, was spotted on her way to the event in a pair of leather skinny jeans paired with a khaki waist-length jacket with a sharp collared neckline..