Bec Hewitt and her teenage daughter Mia attended Afterpay Australian Fashion Week together in on Wednesday.The 38-year-old wife of retired tennis champ Lleyton Hewitt stepped out with the couple's 16-year-old daughter for day three of Fashion Week.Despite making a low-key appearance at the event, both Bec and Mia were spotted mingling with other attendees. In fashion: Bec Hewitt (pictured) and...