Laggies

Laggies released in the United Kingdom as Say When is a 2014 American romantic comedy film directed by Lynn Shelton and written by Andrea Seigel. The film stars Chlo Grace Moretz, Keira Knightley, Sam Rockwell, Kaitlyn Dever, Jeff Garlin, Ellie Kemper, and Mark Webber. The film had its world premiere at 2014 Sundance Film Festival on January 17, 2014.

Returning home, Megans boyfriend suggests that rather than have a big wedding they elope. Megan agrees but delays the wedding by pretending that she has a weeklong career advice seminar to attend.Megan receives a call from Annika asking her to pretend to be her absentee mother at a guidance counsellors meeting. Megan goes to the meeting and afterwards asks Annika if, in return, she can stay at her house. ........

Source: Wikipedia