Ariana Grande spotted at Wimbledon without wedding ring.
Fans concerned about her marriage to Dalton Gomez.
Speculation grows about the state of their relationship.
Previous sighting without the ring in April.
Some fans suggest ring absence could be for maintenance or upgrade.
Social media buzz about Grande's missing ring.
Questions raised about the status of her marriage.
Twitter users express observations and concerns.
Fans seek answers about the couple's relationship.