Nothing brings families together like an engagement party! But as the Diaz clan wrestles with perfectionism and sobering news, they learn the best laid plans of mice and men often go awry.

It's June 11th -- AKA Lily's 30th birthday! And what better way of commemorating the occasion than by tackling an old bucket list of hers… with the help of a surprising partner-in-crime.

Viva Las Vegas! It's Labor Day weekend and everyone's letting loose for the bachelor party -- perhaps a tad too loose as the excess of Sin City puts relationships to the test.