Jessica Biel 's latest family outing is a total ace. The Sinner alum took her 9-year-old son Silas —who she shares with husband of 12 years Justin Timberlake —to the U.S.

Open to watch the second round of the championship, and the stylish New York City outing served as a lovely bonding moment. For the Aug. 29 event, Jessica rocked a cream Ralph Lauren pantsuit with a classic white tee underneath.

To top off her look, the 42-year-old wore her short hair pin-straight and aptly accessorized with a tennis necklace. As for Silas? He looked so grown up sporting gray joggers and a coordinating blue-and-green-striped rugby polo from Ralph Lauren. And the mother-son duo seemed to be in seventh heaven while sitting in the stands of Arthur Ashe Stadium.

At one point, Jessica excitedly directed the 9-year-old's attention to something in the distance, and he stood up in his seat to get a better look. In another photo from the day, Silas and his mom stared intently at the court, both consumed by a nail-biting moment. And while the tennis-filled hangout marked a rare public outing for the two, Jessica has previously provided insight into her relationship with Silas and his 4-year-old brother Phineas , who she also shares with Justin.

"Playing with my sons is the most fun—wrestling, playing LEGO, building LEGO, swimming, playing sports, reading together," the 7th Heaven alum shared in a video for People published May 20. "I love spending time with them, and I love getting down and dirt.