Danica McKellar, the actress best known for playing Winnie Cooper on The Wonder Years, is engaged.

The star, who will wed lawyer Scott Sveslosky, made the announcement via Instagram on Wednesday, sharing a selfie and pointing to a large ring on her wedding finger.

She wrote, "So...can you guess what my big news is??"

The mother-of-one also shared the big news with People magazine, saying, "Scott and I are thrilled. We are looking forward to merging our families."

Sveslosky also has a young son from a previous relationship. The marriage will be the second for both of them.