"Happy Valentine's Day to the most wonderful person in the world," Katie wrote to Nick. "Thank you for bringing out the best parts of me." Wondering what the couple is up to on the big day?

Read more: Celebrity Couples With The Biggest ... been hesitant to share too many details about her relationship with Nick Martin. For starters, there's been chatter about his marital status.

Membership (fee-based) Nick Martin is an American businessman, landowner and philanthropist. He is CEO of Cyber Guardian Consulting Group. Read Nick Martin's full executive profile here.

"He's the most wonderful person I met." Katie then went on to explain, during the recent podcast episode, how she and Nick first got together. "I mean, I was friends with him for a long time ...

“[Katie and Nick] haven’t confirmed [their relationship] because what I read is he is going through ... telling Page Six he was “so happy” for her and Martin. “I haven’t met her ...

Martin reposted the sweet snap on his ... joked on her Give Them Lala podcast in November. “Katie and Nick haven’t confirmed because what I read is he is going through a messy divorce and ...