‘Grown-ish’ Season 4 Trailer Released

The teaser for the fourth season of Grown-ish has been released and it seems like someone is getting married.
For the 30-second teaser, we see the crew headed to Mexico for vacation, and apparently, someone is tying the knot.
There are also ripped pinatas, empty margarita glasses, a veil, and a wedding cake.
Season four premieres on Freeform on July 8.
Who do you think will be getting married?