Jerry Seinfeld's beach body is no laughing matter while on vacation in St. Barts

Comedian Jerry Seinfeld showed off his fit physique during a St. Barts vacation with his wife Jessica.

Seinfeld and his wife, Jessica, were clearly enjoying the warm weather during their Caribbean vacation this week. Cassie Maynard is a senior entertainment editor for Fox News Digital.

Even though the 68-year-old chose to cover up in a white T-shirt in the water, once it got wet his abs could be seen peeking through.