Anne Boleyn and Henry VIII married in secret so we do not know what Anne wore. Henry VIII married Catherine of Aragon in private so we don't have descriptions of her gown but their coronation was a celebration of their union too and you can read about her attire at http://www.theanneboleynfiles.com/24-june-1509-coronation-of-henry-viii-and-catherine-of-aragon/10236/. She was "richely appareled in Tissues, clothe of Golde, Siluer, Tynsels, And Velvetes Embroudered” with a coronet “set with many riche orient stones."
We don't know what Jane Seymour wore to her wedding because Henry married her in private too because it was only 11 days after Anne Boleyn was executed. We do, however, know what Anne of Cleves wore to her wedding. Edward Hall says "Then the Lordes went to fetche the Ladye Anne, whiche was apparelled in a gowne of ryche cloth of gold set full of large flowers of great & Orient Pearle, made after the Dutche fassion rownde, her here hangyng downe, whych was fayre, yelowe and long: On her head a Coronall of gold replenished with great stone, and set about full of braunches of Rosemary, about her necke and middle, luelles of great valew & estirnacion."
The marriage of Henry VIII and Catherine Howard was again a private and low key affair, due to the fact that his marriage to Anne of Cleves had only just been annulled. The King's marriage to Catherine Parr was also low key and private, with just 20 guests, and we don't have a description of what the bride wore. It's frustrating!