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.

Reese Witherspoon is the bride's sister and Will Ferrell is the father of another bride with competing wedding parties in "You're Cordially Invited."

Comic stalwart Will Ferrell is Jim, doting widowed dad to Jenni (Geraldine Viswanathan) and soon-to-be father-in-law of amateur DJ Oliver (Stony Blyden). That’s wedding number one. The other team is fronted by the irrepressibly feisty Reese Witherspoon as Margot,

Here’s a look at this week’s biggest premieres, parties and openings in Los Angeles and New York, including events for You’re Cordially Invited, Companion and E.T. the Extra-Terrestrial. Reese Witherspoon Says an Actress Is Not Friends With Her Anymore After She Delivered a Speech That Still "Haunts" Her How 'Companion' Went From Zach Cregger's 'Barbarian' Follow-Up to Drew Hancock's Acclaimed Debut Reese Witherspoon Is Currently Watching Audition Tapes for Teen Elle Woods for 'Legally Blonde' Prequel Series From 'Lady in the Lake' to 'It Ends With Us': 29 New and Upcoming Book Adaptations in 2024 Sign up for THR's Newsletter.