The most radical shift came with Instant Family (2018). Based on the real-life experiences of writer/director Sean Anders, the film follows a couple (Mark Wahlberg and Rose Byrne) who adopt three siblings. The movie goes out of its way to humanize the birth mother, the foster system, and the adoptive parents. There are no villains; there is only the slow, painful process of trust-building. This is the definitive text for the modern blended family film.

The movie opens with a sweeping shot of a beautiful, sprawling house, filled with the sound of laughter and chaos. We meet our protagonist, JEN (played by a charismatic comedic actress like Jennifer Lawrence), a single mom with two kids, Mia and Ben. Jen's husband had passed away a few years ago, and she's been struggling to balance work and parenting on her own.

The story hits its stride during a Sunday afternoon "hand-off" in a coffee shop parking lot. Maya’s ex-husband, Marcus, arrives to pick up Leo. Unlike the "deadbeat dad" clichés often seen in older comedies, modern cinema increasingly features "amicable exes" or co-parents who are flawed but present. "blended family" TV Shows — The Movie Database (TMDB)