United Kingdom, Sept. 5 -- Ciara legally changed her son's name to give him her husband's surname.

The Goodies hitmaker has 11-year-old Future with her first spouse, who is also called Future, but fans recently noticed the youngster's last name is also Wilson, in line with her and current husband Russell Wilson's other three children, Sienna, eight, Win, five, and 20-month-old Amora, sparking speculation the 36-year-old quarterback had adopted her firstborn.

Russell had shared a family photo from the US Open on Instagram along with the caption: "Mrs. @ciara Wilson Future Wilson + Sienna Wilson (sic)"

Fans had questioned Future's surname, and now sources have told TMZ that Ciara has full custody of the boy and legally added Wilson to hi...