Kristin Cavallari is 'dipping her toe back in the dating pool'. The 37-year-old TV star split from Mark Estes in September, and Kristin has admitted that she's already returned to dating. 'I'm having people reach out to me right now, and I've had a couple, like, big people in Hollywood reach out to me. Kristin Cavallari is 'dipping her toe …
