Gianni DeCenzo is ready to be in Tanner Buchanan and Mary Mouser's wedding party ... I couldn't imagine anyone else for them." Never miss a story — sign up for PEOPLE's free daily newsletter ...

Gianni DeCenzo is ready to be in Tanner Buchanan and Mary Mouser's wedding party ... I'm very happy for them … I couldn't imagine anyone else for them." Never miss a story — sign up for PEOPLE's free ...

The actor added that the entire cast kept the newly engaged couple's romantic relationship a secret for "a couple years" Gianni DeCenzo is ready to be in Tanner Buchanan and Mary Mouser's wedding ...

Steve Granitz/FilmMagic Gianni DeCenzo is ready to be in Tanner Buchanan and Mary Mouser's wedding party! A week after Buchanan, 26, and Mouser, 28, announced their engagement, their Cobra Kai ...

Cobra Kai stars Mary Mouser and Tanner Buchanan announced their relationship and engagement at the series finale red carpet.

Cobra Kai fans might have been shocked when, just last week, Tanner Buchanan and Mary Mouser announced their relationship (and engagement!)—but their co-star Gianni DeCenzo was far from surprised.

Cobra Kai's very own Tanner Buchanan and Mary Mouser have taken their relationship from the screen to real life, now engaged after their stint on the hit Netflix series. ans have been eager to ...

This Cobra Kai couple pulled off the ultimate surprise! After claiming they were 'just friends' for several years, Mary Mouser and Tanner Buchanan made two major announcements at the season six ...

Fans were jolted with another surprise as Robby Keene and Samantha LaRusso actors Tanner Buchanan and Mary Mouser disclosed not just their relationship, but also their exciting engagement news.