But besides asking friends and family to wish his father a happy birthday, James got a little more ambitious and decided to reach out to the cast of "Seinfeld." They were more than happy to ...

Best sister. Best friend. Best IDK. Best sister x2. Happy birthday," Jessica wrote with a series of photos on her story. "Our Sascha Seinfeld turns 21 today. We had the best weekend celebrating ...

Jessica Seinfeld Shares Rare Photos with Kids in Italy: 'Reunited After Too Many Months Apart' Dad Jerry commented on the post, writing, "We love you so much, Jules. Happy Special Birthday this year!!