Ariana Grande's wedding dress "pact" with Vera Wang has been revealed as the star has treated fans to a glimpse inside her intimate wedding day.The 7 rings songstress, 27, looked every inch the glowing bride in a bespoke column gown as she tied the knot to real estate agent Dalton Gomez, 25, in an ceremony with less than 20 family and friends present at her home in Montecito, California.