"Me and David Schwimmer just made a best man's speech at a wedding. We were in competition to be our friend Iddo Goldberg's favourite David," Walliams tweeted.
Barton was impressed with the David's speech as well. She tweeted, "What an incredibly funny + amazing speech by David Walliams & David Schwimmer @smashleybell + @iddo Goldberg's wedding"
Madekwe's Revenge costar Christa Allen was also in attendance. She tweeted: They have the most incredible love, what a treasure to witness! A huge congratulations to @smashleybell and @IddoG"
The pair met as costars in the Showtime series Secret Diary of a Call Girl. Ashley shared that she was "really" excited to become a Mrs., the star explained that their decision to wed seemed like a natural step.
Congratulations to the new couple.
More pictures of the couple when you continue:
Iddo Goldberg has featured in The Tourist, Defiance, Showtime Secret Diary of a call girl and some other movies.