Shanna Moakler and Matthew Rondeau have rekindled their romance, a source tells ET.After calling it quits earlier this year, the 46-year-old TV personality and model shared a cozy snapshot of herself and Rondeau to her Instagram Story on Wednesday.The post featured a collage of photo booth pics of Moakler and Rondeau laughing and smiling, as well as one pic in which Moakler is planting a kiss on Rondeau's cheek.