PRUE
Wedding to Zile (a warlock)
Prue was a little upset that her younger sister would marry first. At the same time a warlock had a plan to turn the Charmed Ones evil by marrying the eldest sister. Using her own lipstick in a spell against her he put Prue in a coma-like sleep while a Dark Priestess performed a Dark Wedding. The resulting wedding spread evil to Prue and because of the magical link the evil spread to her sisters and eventually to the Book of Shadows. Even though they were evil they still had a close bond and defeated the Priestess and Zile.

PIPER
First Wedding to Leo Wyatt
Didn't go as planned and Leo was taken forcefully from the altar by the Elders. Piper was devastated and Leo wasn't returned as their Whitelighter for a period of time.

Second Wedding to Leo Wyatt
The second wedding went a little better, but not much. Leo and Piper were finally given permission by the Elders to marry but Prue ruined the wedding. The third attempt later that evening ending in a married couple. Piper was given a present by the Elders as an apology for the first wedding and they sent Patty to be a guest.

PHOEBE
Phoebe's first Wedding (as Lulu)
Phoebe was possessed by a ghost that wanted to get married really badly. When possessed she obtained a marriage license, stole an engagement ring, and stole her wedding dress. Realizing she really did want to get married because the experience she accepted Cole's proposal.

First Wedding to Cole Turner
The wedding day came with problem after problem but Phoebe and her sisters managed to pull everything together at the last minute. Unfortunately, at the ceremony there was an attack by a Lazarus Demon and a frustrated Phoebe called of the wedding.

Second Wedding to Cole Turner
Later that evening after all the demonic problems seemed to be done the couple discovered a small chapel located in the cemetary where they buried the remains of the Lazarus Demon. Cole and Phoebe exchanged vows with The Seer watching nearby. A Dark Priest officiated and married the couple in a Dark Wedding unknown to Phoebe.

PAIGE
Wedding to Glen Belland
When her best friend and sometimes boyfriend returned to San Fransisco Paige hoped to rekindle to flame. Much to her disappointment he came to tell her of his upcoming nuptials to a blonde woman he met while in Switzerland. After having a spell to create obsessive behavior was cast on Paige she used her glamour power to pose as the fiance to marry Glen. She intended to later reveal her true self once the honeymoon was over. The marriage ceremony wasn't finished because Leo showed up with the true bride-to-be.