Movie Mashup

Once a week, I'll post a description of a movie that's made up of two existing movies. Your job is to guess the title of the movie.

[Movie Mashup @MashMovie]

An orphaned adopted billionaire uncovers fam secrets when some1 from his past comes for a visit that destroys the entire city #moviemashup

[Movie Mashup @MashMovie]

When his ship starts having a problem, an astronaut has a hallucination he is a teenage girl trapped in an adult's body. #moviemashup

[Movie Mashup @MashMovie]

After her grandfather's death before her big beauty pageant, a little girl undergoes a new treatment to forget what happened. #moviemashup