MARC ANTHONY OPENS UP ABOUT DIVORCE, JADA PINKETT SMITH

Much ado about...well, not nothing, exactly.

Last week, Will Smith and Jada Pinkett Smith shot down a tabloid report that they were ending their 14-year marriage -- and that Pinkett Smith had an affair with Marc Anthony, her love interest on TV's HawthoRNe.

But although Pinkett Smith 39, and Anthony, 42, never had a full-blown romantic affair, one source tells Us the twosome had an "inappropriately close" friendship.

"They were a little touchy and like they were in their own little world," a set source explains, adding that the twosome often hung out alone in his trailer, and talked and texted frequently