Actors:
* Emma Stone: The middle child of three siblings.
* Jennifer Lawrence: The middle of three siblings.
* Leonardo DiCaprio: The middle of four siblings.
* Tom Hanks: The middle of four siblings.
* Ryan Reynolds: The middle of four siblings.
* Chris Pratt: The middle of three siblings.
* Sandra Bullock: The middle of three siblings.
* Natalie Portman: The middle of three siblings.
* John Krasinski: The middle of three siblings.
* Bradley Cooper: The middle of four siblings.
Musicians:
* Taylor Swift: The middle of three siblings.
* Beyoncé: The middle of three siblings.
* Lady Gaga: The middle of three siblings.
* Justin Timberlake: The middle of three siblings.
* Harry Styles: The middle of three siblings.
* Rihanna: The middle of three siblings.
Other:
* Barack Obama: The middle of two siblings.
* Oprah Winfrey: The middle of three siblings.
* Bill Gates: The middle of three siblings.
* Mark Zuckerberg: The middle of four siblings.
* Stephen King: The middle of three siblings.
* J.K. Rowling: The middle of five siblings.
This is not an exhaustive list, and many other celebrities could be middle children. It's important to note that birth order alone doesn't define a person's personality or achievements.