Tom Brady's retirement activities have ranged from unexpected thirst traps to beach vacations. Recently, though, the recently retired QB seems to be taking an interest in the Winter Equestrian Festival at Wellington International. Brady's daughter Vivian has previously shown interest in horseriding, and is known to be an avid rider.In fact, both Brady and his ex-wife Gisele Bundchen have shared multiple photos of Vivian enjoying her time at horseriding lessons. Of course, Brady's increased interest in horses comes along with new dating rumors about the 45-year-old. View this post on Instagram Instagram PostAccording to Page Six, Brady is looking to step up his game, which is related to Vivian and her interests:"He came to check out the sport. His daughter has been riding at a real dump of a barn… He is ready to up his game," an insider told Page Six.Of course, reports also speak of 'equestrian moms' and their interest in watching Brady play.“It’s the buzz of equestrian moms that they are going to get to watch Brady ringside,” the source said. "Bill Gates isn’t really cutting it.”Previously, Brady has shared Vivian's horseriding photos on Instagram.Image Credit: Tom Brady's IG (@tombrady)Apart from her time off with Tom Brady, Vivian and her mom Gisele have also been spotted horseriding together.Is Tom Brady dating actress Reese Witherspoon?Shortly after reports spoke about Brady dating again, people also linked T12 to Reese Witherspoon. Recently divorced, both Witherspoon and Brady are yet to even address any dating rumors.The initial rumor originated with the subreddit r/FauxMoi, fans discussing the same on Twitter. Prior to Witherspoon, Brady was linked to model Veronika Rajek, who is known to be a Tom Brady admirer. View this post on Instagram Instagram PostLast year, Rajek made headlines for making it to a Tampa Bay Buccaneers game, wearing a No. 12 jersey to show her support."I saw the LEGEND 🏈and if somebody asks me again if I love Brady, yes I love him, and show me somebody who doesn’t. Even his haters love him because they know he is the 🐐🏈❤️‍🔥 @tombrady thank you for an amazing show 🏈🔥 #GOATFOREVER" Rajek wrote.Furthermore, other Page Six reports have hinted at Brady 'dating around':“He’s shopping,” the source added. “He is out and about.”