The 38-year-old singer and actor said he regretted his behavior in an Instagram post on Wednesday night. "A few weeks ago I displayed a strong lapse in judgement — but let me be clear — nothing happened between me and my costar," he wrote in a message to his 56.8 million Instagram followers."I drank way too much that night and regret my behavior. I should have known better."The former NSYNC singer has one child with Biel, whom he wed in 2012.The "Cry Me A River" hitmaker continued: "This is not the example I want to set for my son. I apologize to my amazing wife and family for putting them through such an embarrassing situation, and I am focused on being the best husband and father I can be. This was not that."Timberlake and Wainwright are currently filming the upcoming drama "Palmer."Directed by Oscar-winning filmmaker Fisher Stevens, the Read More – Source