Reese Witherspoon's son has a special role in her newest film. The actress, 48, spoke with Buzzfeed UK about her new film You're Cordially Invited and shared that her younger son Tennessee, 12, has a small role in the movie.

In the world of "You're Cordially Invited," a romantic comedy starring Reese Witherspoon and Will Ferrell, you can simply call a venue, have the proprietor drop dead before writing your reservation down in a guest book, and then never check again until you arrive at the destination on the wedding weekend only to discover you've been double booked.

Will Ferrell and Reese Witherspoon are ready to play, and “You’re Cordially Invited” has its moments, which is enough, probably, for home viewers in a five-or-six-laughs-will-do frame of mind. The comedy, written and directed by Nicholas Stoller, premieres Jan. 30 directly to Prime Video.

Do yourself a favor and check out the funny and sweet You’re Cordially Invited now on Prime Video. Those who are really looking to tickle their funny bones can also stream the funniest movies starring Will Ferrell as well as the great comedies headlined by Reese Witherspoon.

The wedding invites are in the mail and June 1 is around the corner, but Reese Witherspoon and Will Ferrell have just one little problem in their new Prime Video flick, You’re Cordially Invited: The venue they both separately reserved is overbooked.