Upon meeting Alba Baptista, Chris Evans knew she was “the one” for him, according to a source, noting that their relationship became serious very quickly.

At a private estate in Cape Cod, Massachusetts, the Avengers star wed the Portuguese actor in a star-studded ceremony.

Following the wedding festivities, the newlyweds celebrated at his home in Boston with their loved ones.

On Sept. 9, an insider told People Magazine that a large tent and dance floor were set up at the house, and music could be heard well into the night.

In a low-key ceremony, Robert Downey Jr. and his wife Susan Downey, Chris Hemsworth and his wife Elsa Pataky attended.

Eye witnesses reported that Jeremy Renner, John Krasinski and Emily Blunt were “very happy, joking and smiling” at the event.

According to an insider, Evans and Baptista “got serious very quickly” when they first met in Europe. Throughout the conversation, he kept saying he knew she was the one.

A source said Evans is “happiest” since they met, and she is “everything” to him.

According to the source, he has been ready to settle down for quite some time. He’s looking forward to having a family. He’s just waiting for the right girl.”