‘Real Housewives’ LuAnn De Lesseps Explains Her ‘Big Mistake’ in St. Barths (EXCLUSIVE)

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Clearly, LuAnn de Lesseps wasn’t looking forward to reliving the events of Monday’s episode of Bravo’s The Real Housewives of New York City.

Weeks in the making, the women finally arrived to the Caribbean island of St. Barths for a girls’ vacation. During the trip, de Lesseps — who had been dating 37-year-old French wine distributor Jacques Azoulay since January 2010 — shocked her castmates when she returned from a night of partying with Tomas, a Frenchman who worked at the bar whom she had just met.

“What may have looked like infidelity on last night’s episode was in reality a ride home and a tour of the house after an evening of fun on vacation eight months ago,” de Lesseps tells Celebuzz in an exclusive statement.

What else does the Countess have to say about that night?

She adds, “Do you think I would bring a man back to a houseful of housewives (and cameras) if I were planning on having an affair?”

If having the man at the house wasn’t enough to get the other ladies’ tongues wagging, the Countess says that she definitely complicated the situation by not being honest about the nature of Tomas’ visit and asking a friend to help her cover it up. And now, the reality star wants to come clean about her error in judgment.

“My big mistake was trying to avoid the speculation and assumptions by telling a white lie,” the 47-year-old housewife tells us.

“The problem with telling a white lie is that you have to stick to your story,” she continues. “That’s why I made the call when I heard that Tomas was coming for dinner that night. Never tell a fib, because it can snowball out of control. LESSON LEARNED!”

As for her relationship with Azoulay, the complicated situation doesn’t seem to have put a damper on the romance. “As I write this, Jacques and I are on vacation and we couldn’t be more united and happy!” de Lesseps says.

How do you feel about LuAnn’s explanation of that night in St. Barths? Tell us in the comments section below.