Justin Timberlake and Jessica Biel party Engagement with Big Bash

As soon as you're Justin Timberlake and Jessica Biel, you can't in fact let the summer go by with no throwing one overwhelming engagement party, right?

 a few weeks behind screening off her engagement ring on the Met Gala red carpet (and giving us one amazing smooch via the Lakers' Kiss Cam), Biel and her hubby-to-be celebrated their looming wedding Saturday among family and friends.