"Their eclectic family and friends give toasts recalling anecdotes about the couple - but flashbacks reveal that the toasts don't always get it right, as we watch the true story of their complicated, funny and relatable road to marriage," Deadline said.
Rhimes is a very big deal, having created top-rating shows Grey's Anatomy, spin-off Private Practice and Scandal.
Kenyon has starred in two seasons of TV2's Step Dave, in which he plays a young player who falls in love with an older mother, played by Sia Trokenheim.
Toast will also star Tessa Ferrer from Grey's Anatomy as Max's closest friend, Deadline reported.
- nzherald.co.nz