Bella Hadid took to Instagram after the Christmas break to share a revealing selfie video.The model bared her midriff and posed in a tiny thong in the clip.She also shared festive snaps taken with other members of her family, including Gigi and Anwar Hadid.Bella Hadid has been enjoying the holiday season, and revealed on Instagram that she'd been having "a very Dutch Christmas."As well as spending some much-needed downtime with her family, the Victoria's Secret model also shared a seriously