David Walliams and Natalie Imbruglia enjoyed reuniting last week as they both attended Wimbledon – and took a picture to mark the occasion.MORE: David Walliams looks besotted in gorgeous new photo with his 'loves'The comedian shared the gorgeous snap on Instagram, which showed him and Natalie smiling at the camera whilst sitting next to each other, and it left fans confused! WATCH: David Walliams films inside beautiful London home"I thought it was an engagement photo at first," said one of