Instant Family a new comedy starring Rose Byrne and Mark Wahlberg. The film is about a couple who become foster parents to three kids. It's billed as a feel-good entertainment that has a big heart and plenty of laughs. Does it live up to the hype? Critics like the movie. The film has a 74% fresh rating on Rotten Tomatoes. Chris Agar of Screen Rant gave the film three and a half out of five stars.