United Kingdom, Aug. 24 -- Sydney Sweeney sent fans into a frenzy as she posed in a skimpy Wonder Woman costume.

The Madame Web posed for a mirror selfie in a plunging red-and-gold bodice teamed with blue-spangled high-cut shorts and a gold headband alongside boyfriend Scooter Braun, who suited up as Superman in a replica of Henry Cavill's classic blue suit and red cape.

Sydney's Instagram post was captioned "Camp '26" and seemingly showed off a group getaway.

The photo dump included two polaroids of the pair individually in costume, as well as a video of them taking on an obstacle course alongside others on the trip in their own superhero costumes.

The vacation came a month after the couple took a huge leap in their relationship by c...