Millie Bobby Brown is opening up about her marriage proposal. In an appearance on “The Tonight Show Starring Jimmy Fallon,” Brown revealed her and Jake Bongiovi’s proposal story for the first time, crediting her close friendship with Fallon and the fact that the story is “too good” not to share.Millie Bobby Brown and Jake Bongiovi are fostering an adorable dogMillie Bobby Brown celebrates 20th birthday with Jake Bongiovi and friendsA post shared by Millie Bobby Brown (@milliebobbybrown)Brown revealed that she and Bongiovi initially bonded over diving, and that’s become one of their things. “Basically, Jake and I bonded over diving.