Biel and the 31-year-old heartthrob, who got engaged last December, tied the knot on August 18, with guests staying at the luxury Four Seasons Hotel, reported Sun Online.
While the couple tried to keep their big day a secret, wedding cake designer Sylvia Weinstock added fuel to speculation by saying she was in Jackson Hole on the weekend.
"America is a beautiful country Jackson hole a marvel (sic)," she posted on twitter.