Lauren Conrad a bridesmaid not yet a bride!

Preparing for her own "I Do's"! Lauren Conrad spent her weekend serving as a bridesmaid in the wedding of longtime friend Maura McManus. On Saturday, Aug. 16, the fashion designer, 28, posted several Instagram shots from the Ojai, Calif. service and reception, which used the hashtag "#oehmsweetoehm."

Bestselling author Conrad wore a cream, floor-length bridesmaid gown and wore her blonde locks down with large waves.

Lo Bosworth (left) and Lauren Conrad celebrated their friend Maura McManus' wedding on Aug. 16.
Credit: Courtesy Lauren Conrad

Her fiance William Tell also attended the festivities (she Instagrammed his name card), but the weekend was mostly about spending time with old friends. The former reality star posed in several photos with Laguna Beach and Hills costar Lo Bosworth and childhood pal Jilly Hendrix, who were also bridesmaids.

Laguna Beach friends and costars Stephen Colletti and Dieter Schmitz reunited for a friend's wedding on Aug. 16.
Credit: Courtesy Dieter Schmitz

The California native's former flame Stephen Colletti also attended the wedding, posing for a photo with his pal Dieter Schmitz via Instagram.
PHOTOS: Lauren Conrad's style secrets
"With @stephencolletti for one of the besets in the wettest @mauramcmanus wedding," Schmitz captioned the photo. ?

Dieter Schmitz engaged!

Congrats to them!  Happened April of 2014!

Laguna Beach all these years later......

So MTV is doing a retro day and reshowing Laguna, Season 2....

So all these years later, here are my thoughts...

Lauren has taken full advantage of the fame that came with the show and clearly remains the most famous of all of the cast.  I am surprised she hasn't found love and gotten married.  Knowing HS relationships rarely work out I am not surprised things did not work out with Jason or Stephen.

Am i surprised Kristin has not had more success?  Yes!!!!  I thought she would become a mega brand as well but i think her personality and not being nearly as affable as Lauren plays into that.  She got her QB too!  And a baby!

No shock on Jason, I thought he was a loser on the show and he has continued to be one off, he is the typical spoiled rich kid whose family money crippled him.

Stephen, I am surprised he found acting On One Tree and was actually watchable, i think he has a future in hosting.  Not surprised he's not married yet either.

Laguna is a good lesson for all HS age kids, have fun, don't invest too much in HS relationships, they don't last and realize while in the moment HS seems so important, it's really not a big deal.  Most of your lifelong friends will come in college.

I am surprised some of the bit players didn't make more of the opportunity.

Ten years from now, Lauren will probably still be in the news, Kristin and Stephen less so and it will be harder than ever to find info on the others.

I would luv to see MTV reunite the cast for two weeks somewhere but i doubt it will happen with everyone's schedule but it would be fun to see a few eps of the old gang staying under one roof.  So we'll just have to follow along as best we can with the help of twitter and the internet.

I  would also settle for another Lauren or Stephen or Kristin reality show, they would all be good tv.  Stephen and his GF or Lauren's life or Kristin and her baby.

It was a fun show that we all would loved to see LC and Stephen end up together but reality often ends up like real life in the end with HS being just that, a temporary stop in life.

Dieter Schmitz in 2012 is an Uncle and has a girlfriend!

He seems to be in hotel management and still friends with Stephen and Lauren.