Kristin Cavallari, Mark Estes

The "Hills" alum, 37, confirmed that she and the influencer, 24, had parted ways after seven months of dating in September.
So no one, including debuting Vanderbilt coach Mark Byington, could truly know what to expect ... Reach Tennessean sports ...
Kristin Cavallari also revealed that she’s not actively pursuing a new relationship right now due to her commitment to her children and career ...